Kocaelispor

Kocaelispor (Turkish pronunciation: [kod͡ʒaˈelispoɾ], lit. 'Kocaeli Sports Club'), s a professional football club based in İzmit, Kocaeli Province, Turkey. Founded in 1966, the club competes in the Süper Lig, the highest tier of the Turkish football league system, and plays home matches at the 34,829-seat Kocaeli Stadium. The team’s traditional colours are green and black.

Kocaelispor

Full name	Kocaelispor Kulübü
Nickname(s)	Körfez (The Gulf)
Founded	1966; 59 years ago (1966)
Ground	Kocaeli Stadium
Capacity	34,829
Chairman	Recep Durul
Head coach	Selçuk İnan
League	Süper Lig
2024–25	TFF 1. Lig, 1st of 20 (promoted)
Website	kocaelispor.com.tr
Home colours Away colours Third colours

Kocaelispor has had several top-flight spells, most notably from 1980 to 1988, 1992 to 2003, and in the 2008–09 season. Their best league finish was fourth in the 1992–93 season. The club has won the Turkish Cup twice, in 1997 and 2002, and has participated in European competition.

Nicknamed Körfez (The Gulf), the club has a strong following in İzmit and the surrounding Kocaeli region. Its fiercest rivalry is with Sakaryaspor, contested in the Körfez Derbisi (Gulf Derby).

After financial collapse and successive relegations in the 2010s, Kocaelispor dropped into the amateur leagues. A rebuilding process led to successive promotions, culminating in a return to the Süper Lig in the 2024–25 season after a 16-year absence.

History

Foundation and Early Years (1957–1980)

The roots of Kocaelispor go back to the late 1950s. In 1957, representatives of local side Baçspor petitioned the İzmit municipality for a dedicated training ground. Then-mayor Osman Gencal, himself a former athlete and Baçspor member, supported the project and oversaw the allocation of a 28-acre municipal plot in Baç for sporting use.^[1][2]

By the early 1960s Baçspor had redeveloped the area and in 1964 proposed forming a fully professional team to apply to the national second tier (2. Lig). At the time the federation’s regulations required a composite club structure with adequate facilities and staff, and encouraged local mergers to concentrate resources.^[3] In 1966 three İzmit clubs—Baçspor, İzmit Gençlik and Doğanspor—agreed to unite under a single umbrella; at a joint congress the name Kocaelispor was adopted and green–black were chosen as the club colours.^[4][5] The new board launched a subscription campaign that raised an initial budget reportedly around 175,000 lira to build the first squad and meet entry requirements for national competition.^[6]

Kocaelispor were admitted to the 1. Lig for the 1966–67 season and quickly became the region’s flagship representative in Turkish professional football.^[7] The club earned a first-ever promotion to the Süper Lig (top flight) in 1980, remaining at that level for eight consecutive seasons during the 1980s.^[8] After relegation battles and disputed disciplinary rulings in the late 1980s, Kocaelispor’s league status was the subject of appeals that culminated in a decision by the Council of State affecting relegation procedures; the club subsequently returned to the top tier during that period following the legal process.^[9][10]

Kocaelispor former club building

The “Legendary Roster” and first European campaign (1992–93)

Back in the top division after promotion in 1991–92, Kocaelispor opened the 1992–93 1. Lig at full throttle under coach Güvenç Kurtar. On opening day they beat Kayserispor 7–2 in İzmit, a result widely reported as a statement of intent.^[11] Through the autumn the “Kocaeli fırtınası” put together a long unbeaten run and finished the first half among the leaders; a spring dip cost a podium place, but the team still recorded the club’s best top-flight finish to that date (4th) and qualified for Europe.^[12] That league placing earned a berth in the 1993–94 UEFA Cup, the first European campaign in Kocaelispor history.^[13]

Kurtar’s side blended a Balkan-school defensive spine with quick, vertical transitions. In goal, former Yugoslavia international Fahrudin Omerović provided commanding shot-stopping and organization after his 1992 summer move.^[14] At centre-back, Stevica Kuzmanovski and Mirko Mirković—who later took Turkish citizenship as Mert Meriç—formed a robust pairing noted for aerial strength and tight marking.^[15][16]

Up front, academy product Bülent Uygun partnered Saffet Sancaklı, creating one of the league’s most direct and productive forward lines; contemporaneous reports highlighted Uygun’s second-ball finishing and Sancaklı’s runs in behind as core patterns of Kurtar’s narrow 4-4-2.^[17] Sancaklı’s subsequent moves to Galatasaray and Fenerbahçe were framed as a natural step after his İzmit breakthrough.^[18] With contributors such as Bülent Baturman, Halil İbrahim Kara, Melih Erdem and Ergun Kula, the side set club records for top-flight wins and goals at the time.^[19]

The fourth-place finish secured Europe and fixed the 1992–93 squad in local memory as the “efsane kadro” (legendary roster).^[20] The momentum carried into the following autumn’s UEFA Cup, confirming the step-change in the club’s stature.^[21]

Successes, relegations, and fall to the amateur leagues (1995–2015)

Building on a top-five league finish in the 1995–96 campaign, Kocaelispor qualified for the summer UEFA Intertoto Cup, which—at the time offered additional paths into European competition. İzmit’s side treated the July fixtures as a continuation of their domestic momentum, drawing strong crowds at İzmit İsmetpaşa and recording competitive results against continental opposition before bowing out in the latter stages of the programme.^[22][23]

The club’s breakthrough arrived the following season in the national cup. Under the guidance of coach Güvenç Kurtar, Kocaelispor navigated a demanding bracket in the Turkish Cup, dispatching several top-flight opponents en route to the final and leaning on a compact defensive shape and rapid transitions that became the hallmark of the side.^[24] In the two-legged 1997 final they defeated Trabzonspor on aggregate, winning the club’s first major national trophy and earning a berth in European competition for the following season.^[25][26] The triumph was widely viewed as a landmark for the Green-Blacks, validating a player-recruitment strategy that blended experienced domestic names with rising talents from the Yugoslav football school already on the roster.^[27]

Five years later Kocaelispor produced an even more emphatic finale. Having again pieced together a robust cup run—this time with a deeper attacking rotation—the team lifted its second national title by defeating Beşiktaş in the 2002 Turkish Cup Final with a one-sided scoreline that remains one of the most memorable showpieces of the era.^[28][29] Contemporary reports highlighted both the tactical flexibility shown across two halves and the intensity of the İzmit support, underlining how the club’s provincial identity fed directly into performance on the day.^[30]

Each cup victory carried a continental dividend. The 1997 success delivered European qualification under the then-existing format, while the 2002 title secured a place in the early rounds of the UEFA competition of the following season, giving Kocaelispor fresh exposure and revenue at international level.^[31] More broadly, the twin triumphs bookended Kocaelispor’s most decorated period: they cemented the club’s reputation as one of the few sides outside the traditional Istanbul trio capable of lifting major silverware in the modern era, and they remain central to the Green-Blacks’ institutional identity and supporter culture today.^[32]

These victories remain historic milestones for the club and its supporters. However, following the 2002–03 season, Kocaelispor was relegated after finishing last in the Süper Lig. After spending five seasons in the TFF First League, they won the 2007–08 championship and earned promotion back to the Süper Lig. This return lasted only one season due to financial difficulties, and the club was relegated again after losing 3–1 at home to Trabzonspor on 9 May 2009 in Round 31, finishing 17th. The following season, after a 2–1 away defeat to Kartalspor on 4 April 2010, Kocaelispor was relegated to the TFF Second League, the third tier of Turkish football.

During the 2007–08 campaign Kocaelispor used three head coaches Fuat Yaman, Kayhan Çubuklu and Engin İpekoğlu yet still clinched the 1. Lig title and a return to the Süper Lig.^[33][34] A severe financial squeeze and squad turnover, however, triggered back-to-back relegations: first from the top flight in 2008–09, and then to the TFF Second League after the 2010–11 season.^[35][36] Finishing bottom of the Second League White Group in 2011–12 pushed the club down again — to the fourth tier — and, after protracted off-field problems, Kocaelispor fell into the Turkish Regional Amateur League in April 2014 following a 1–0 defeat to İstanbulspor with four rounds remaining.^[37][38]

In the 2014–15 Regional Amateur League season Kocaelispor battled promotion rivals including Tekirdağspor, Çengelköyspor and Arnavutköy Belediyespor, but despite a long spell at the summit finished 4th in Group 11.^[39] The following season brought a decisive turnaround: Kocaelispor won their group and then defeated Sultangazispor 2–0 in a neutral-venue promotion play-off at Eskişehir on 24 April 2016 — goals from Sinan Pektemek and Hamza Mutlu sealing a long-awaited rise back to the professional pyramid (TFF 3. Lig).^[40][41][42]

Return to the professional leagues (2016–present)

Promoted from the Regional Amateur League in April 2016, Kocaelispor restarted life in the 3. Lig in 2016–17. They finished 4th in their group but fell short in the promotion play-offs, remaining in the division; the following season (2017–18) brought a mid-table 13th-place finish.^[43][44] In 2018–19 Kocaelispor climbed to 2nd in their group but again could not secure promotion via the play-offs.^[45]

The pandemic-affected 2019–20 season was curtailed with Kocaelispor leading their 3. Lig group; the TFF confirmed group leaders would be promoted, sending the club up to the 2. Lig for 2020–21.^[46][47] Momentum continued in 2020–21: Kocaelispor finished 3rd in the 2. Lig Kırmızı Grup and won the promotion play-offs — defeating Sakaryaspor 4–0 in the final to return to the 1. Lig after a single year.^[48][49]

The step up proved difficult: in 2021–22 Kocaelispor finished 16th in the 1. Lig and were relegated back to the 2. Lig.^[50][51] The response was emphatic: in 2022–23 the club won their 2. Lig group to clinch immediate promotion back to the second tier.^[52][53] Back in the 1. Lig for 2023–24, Kocaelispor closed the season in 6th place and qualified for the promotion play-offs, where their campaign ended short of a top-flight return.^[54][55]

In the 2024–25 season, Kocaelispor’s long push back to the top tier finally came to fruition. Under head coach İsmet Taşdemir (appointed in late December 2024), the side put together a sustained spring run that kept them clear at the top of the Trendyol 1. Lig. On a weekend late in April, one day before Kocaelispor were due to visit Esenler Erokspor, Fatih Karagümrük’s 1–0 home defeat to Boluspor meant the İzmit club could no longer be caught, mathematically guaranteeing an automatic-promotion place with three matchdays remaining; the club confirmed promotion to the Süper Lig after a 16-year absence.^{[56][57][58][59][60][61]}

Beyond securing promotion early, season metrics published by the TFF showed Kocaelispor among the league’s top sides for goal difference and away points, while home fixtures at Kocaeli Stadium regularly drew five-figure gates during the run-in, underscoring the scale of the club’s return to the elite.^[62][63]

Crest and colors

Kocaelispor's crest features a traditional shield shape with vertical black and green stripes, which represent the club's official colors — green and black. Prominently displayed in the center are the intertwined white initials "K" and "S", standing for Kocaelispor, along with the club's founding year 1966 at the bottom.

In the upper left corner of the crest, a blue silhouette represents the Gulf of İzmit (İzmit Körfezi), symbolizing the city's connection to the sea. Adjacent to it is a yellow sun, symbolizing energy and hope. On the right side of the crest, three yellow stars are aligned diagonally, typically symbolizing achievements and aspirations of the club. The green and black color scheme has been consistently used by the club since its founding, with green symbolizing nature and vitality, and black representing determination and strength.

Supporters

Kocaelispor commands one of the most dedicated provincial followings in Turkey. Its core ultra collective, Hodri Meydan, was founded in 1989 as the successor to the “Çılgınlar” and “Eski Tüfekler” crews; the name was borrowed from journalist Uğur Dündar’s TV debate programme while supporters were travelling to a Bartınspor away match, and the group has occupied the Maraton stand ever since. Academic work on the club shows that even when Kocaelispor slid into the amateur divisions identification among local fans remained “high,” making the club a textbook case of civic loyalty over glory-hunting. That loyalty translates into gates most top-flight teams would envy: in the 2024–25 1. Lig season Kocaelispor drew 246 898 ticket-paying spectators at an average of 13 716 per home game, the highest in the division. The fan base extends well beyond İzmit, with sizeable pockets across the wider Marmara and Black Sea regions. Match-day culture revolves around continuous ninety-minute chanting, industrial drums, large-format tifos and the slogan “Burası Hodri Meydan,” all presented in the club’s green and black colours. The group has also shown a capacity for self-policing: after member Serhat Boz was murdered en route to an Altay fixture in March 2017, Hodri Meydan voluntarily withdrew from the terraces for the remainder of the campaign and issued a public apology to the city, citing fatigue with violence. Their fiercest enmity remains the regional clash with Sakaryaspor, known as the Marmara or Gulf Derby, which has produced some of the collective’s most elaborate choreographies and occasional unrest.^[64]

Rivalry with Sakaryaspor

Main article: List of association football rivalries

The Marmara Derby—also known as the Gulf Derby or, colloquially, the Green-Black Derby—is the football rivalry between Kocaelispor and Sakaryaspor, two neighbouring clubs from the provinces of Kocaeli and Sakarya. It has been regarded as the most significant fixture for both teams since their first official meeting on 6 January 1974, which ended in a 1–0 victory for Sakaryaspor in Adapazarı. As of 2025, the two clubs have faced each other in 42 competitive matches, with Sakaryaspor leading the series with 17 wins to Kocaelispor’s 15, along with 10 draws. The largest margin of victory belongs to Kocaelispor, who won 6–2 on 8 March 1992. 

What keeps the derby white-hot is less the league table than the combustible mix of geography—barely fifty kilometres separate the Gulf cities—and two ultra cultures, Hodri Meydan and Tatangalar, whose confrontations regularly push the fixture onto Turkey’s high-risk list. Flash-point moments include the 5–1 match of 8 May 2011 when Kocaelispor’s Gökhan Bozkaya deliberately scored an own goal to avoid a 4–1 scoreline that would have echoed Kocaeli’s “41” licence-plate code, the earthquake-relief friendly of 22 February 2023 that still saw flares and scuffles despite both clubs donating gate receipts to AFAD and the Red Crescent, Kocaelispor’s first away win in Sakarya for forty-two years on 10 November 2024, and their 3–1 home victory on 31 March 2025 in front of a full Kocaeli Stadium.

Stadium

Main articles: Kocaeli Stadium and İzmit İsmetpaşa Stadium

For more than four decades Kocaelispor played at the centrally located İzmit İsmetpaşa Stadium, a municipal ground inaugurated in 1974. After periodic safety and seating works its official capacity settled at around 12,700, and the venue hosted the club through its 1. Lig and Süper Lig eras until the mid-2010s, as well as numerous regional and youth fixtures. Demolition of the ageing ground began in 2018 as part of an urban-renewal scheme once the new stadium project was delivered, bringing an end to one of İzmit’s longest-serving sports venues.^[65][66][67]

Kocaelispor subsequently relocated to the new Kocaeli Stadium (often referred to as İzmit Stadyumu), a purpose-built, all-seater arena in the Alikahya neighbourhood roughly 7 km from the İzmit city centre. Designed and delivered under the national stadium programme, the facility provides approximately 34,000 seats in a continuous lower–upper bowl with a full roof canopy and modern matchday/operational spaces, and is built to meet UEFA and Süper Lig requirements. The club completed its move during the 2017–18 period as the venue came on stream, with official opening events and early fixtures staged in 2018.^[68][69][70]

Access to Kocaeli Stadium is provided by arterial roads linking the D-605 corridor as well as dedicated matchday bus services arranged by the Kocaeli Metropolitan Municipality, with on-site parking and segregated turnstile zones integrated into the footprint.^[71]

Statistics

Results of League and Cup Competitions by Season

Season	League table										Turkish Cup	UEFA	Top scorer
	League	Pos	P	W	D	L	GF	GA	GD	Pts			Player	Goals
1966–67	1. Lig	7th	30	12	9	9	39	30	9	33	R2	DNQ	Ahmet Asena	12
1967–68		7th	38	17	8	13	50	40	10	42	N/A.		Ahmet Asena	9
1968–69		7th	34	14	9	11	37	30	7	37			İbrahim Yazıcıoğlu	9
1969–70		10th	30	9	8	13	26	35	−9	26			Cevat Öznalçın	9
1970–71		11th	30	10	7	13	24	28	−4	27			İbrahim Yazıcıoğlu	6
1971–72		9th	30	11	7	12	22	32	−10	29			Zeki Melen	5
1972–73		11th	30	10	7	13	24	23	1	27			Zeki Melen	6
1973–74		9th	30	11	8	11	37	27	10	30			Hayri Kara	7
1974–75		4th	30	12	9	9	27	23	4	33			N/A.	N/A.
1975–76		7th	30	12	7	11	32	32	0	31	R3
1976–77		4th	30	12	9	9	35	25	10	33	SF
1977–78		4th	32	13	11	8	37	25	12	37	R2		Raşit Çetiner	16
1978–79		5th	30	13	7	10	41	42	−1	33	SF		N/A.	N/A.
1979–80		1st↑	30	20	5	5	53	20	33	45	R3
1980–81	Süper Lig	8th	30	11	8	11	34	32	2	30	R6		Güvenç Kurtar	8
1981–82		10th	32	10	12	10	36	31	5	32	QF		Orhan Görsen	8
1982–83		9th	34	10	13	11	34	37	−3	33	R5		Senad Ibrić	8
1983–84		8th	34	11	10	13	35	32	3	32	R5		Mustafa Pakyürekli	6
1984–85		7th	34	11	12	11	30	31	−1	34	R4		Haluk Turfan	—
1985–86		14th	36	12	8	16	37	47	−10	32	R4		Senad Ibrić	9
1986–87		16th	36	10	11	15	39	50	−11	31	R6		Orhan Görsen	11
1987–88		18th↓	38	6	16	16	44	61	−17	34	QF		Engelbert Buschmann	15
1988–89	1. Lig	7th	34	15	5	14	40	38	2	50	R4		Senai Kara	8
1989–90		14th	32	9	12	11	33	31	2	39	R1		Sefer Yılmaz	10
1990–91		2nd	34	22	7	5	49	18	31	73	R1		Yaşar Altıntaş	14
1991–92		1st↑	34	25	8	1	89	24	65	83	SF		Saffet Sancaklı	30
1992–93	Süper Lig	4th	30	17	8	5	56	30	26	59	QF		Ergun Kula	19
1993–94		6th	30	14	6	10	44	45	−1	48	SF	R1	Saffet Sancaklı	24
1994–95		9th	34	12	8	14	57	60	−3	44	QF	DNQ	Faruk Yiğit	13
1995–96		5th	34	16	11	7	61	43	18	59	R6		Saffet Sancaklı	14
1996–97		7th	34	12	12	10	37	35	2	48	W	GS	Roman Dąbrowski	11
1997–98		10th	34	12	7	15	46	46	0	43	SF	R2	Ahmet Dursun	10
1998–99		5th	34	14	8	12	44	37	7	50	QF	DNQ	Orhan Kaynak	8
1999–00		12th	34	11	7	16	44	58	−14	40	R4	R3	Roman Dąbrowski	15
2000–01		13th	34	10	11	13	56	60	−4	41	QF	R1	Serdar Topraktepe	16
2001–02		11th	34	12	7	15	45	60	−15	43	W	DNQ	Kwame Ayew	11
2002–03		18th↓	34	6	4	24	32	66	−34	22	QF	R1	Hüseyin Karakayış	8
2003–04	1. Lig	5th	34	16	9	9	54	44	10	57	R2	DNQ	Engin Öztonga	16
2004–05		5th	34	17	11	6	49	28	21	62	R2			17
2005–06		9th	34	11	12	11	41	41	0	45	R2		Özgür Karakaya	13
2006–07		11th	34	9	15	10	42	45	−3	42	R1		Mehmet Kahriman	7
2007–08		1st↑	34	19	7	8	59	37	22	64	R1		Taner Gülleri	21
2008–09	Süper Lig	17th↓	34	8	5	21	47	73	−26	29	R2			19
2009–10	1. Lig	18th↓	34	2	8	24	23	66	−43	14	R2		Serdar Topraktepe	8
2010–11	2. Lig	12th	34	10	15	9	39	41	−2	39	R2		Ali Bayraktar	9
2011–12		17th↓	32	2	3	27	30	130	−100	9	N/A		Doğan Karakuş	16
2012–13	3. Lig	14th	34	11	7	16	44	60	−16	37	R3			23
2013–14		17th↓	34	9	1	24	37	73	−36	28	R2		Melih Ahmet Kaçar	8
2014–15	Amateur	4th	24	13	6	5	35	22	13	45	DNQ		Sinan Pektemek	9
2015–16		1st↑	24	18	3	3	55	19	36	57				13
2016–17	3. Lig	4th	36	16	13	7	55	35	20	61	R1			13
2017–18		13th	34	9	13	12	35	42	−7	40	R3		Burak Süleyman	9
2018–19		2nd	34	17	7	10	40	31	9	58	R3			12
2019–20		1st↑	27	21	1	5	56	22	34	64	R3		Yakup Alkan	14
2020–21	2. Lig	3rd↑	36	20	8	8	59	32	27	68	R5		Benhur Keser	13
2021–22	1. Lig	16th↓	36	12	8	16	40	49	−9	44	R5			9
2022–23	2. Lig	1st↑	38	25	9	4	73	28	45	84	R2		Samed Kaya	15
2023–24	1. Lig	6th	34	16	7	11	48	41	7	55	R4		Douglas Tanque	10
2024–25		1st↑	38	21	9	8	68	41	27	72	GS		Oğulcan Çağlayan	22
2025–26	Süper Lig	TBD

League participations

• Süper Lig: 1980–88, 1992–2003, 2008–09, 2025–
• 1. Lig: 1966–1980, 1988–92, 2003–08, 2009–10, 2021–22, 2023–25
• 2. Lig: 2010–12, 2020–21, 2022–23
• 3. Lig: 2012–14, 2016–20
• Amateur League: 2014–16

Honours

• Turkish Cup
  • Winners (2): 1996–97, 2001–02
• 1. Lig
  • Winners (4): 1979–80, 1991–92, 2007–08, 2024–25
• 2. Lig
  • Winners (1): 2022–23
  • Promotion (1): 2020–21
• 3. Lig
  • Winners (1): 2019–20
• Amateur League
  • Winners (1): 2015–16

Kocaelispor in Europe

Main article: Turkish football clubs in European competitions

Kocaelispor is one of the Turkish clubs that has represented Turkey in European competitions organized by UEFA. The club has played a total of 18 matches in European competitions: 4 matches in the UEFA Cup (now known as the UEFA Europa League), 4 matches in the UEFA Cup Winners' Cup, and 10 matches in the UEFA Intertoto Cup. In these matches, Kocaelispor recorded 5 wins, 5 draws, and 8 losses, scoring 15 goals and conceding 23.

Summary

Competition	Pld	W	D	L	GF	GA	GD
UEFA Cup Winners' Cup	4	2	1	1	4	2	+2
UEFA Cup	4	0	1	3	0	7	–7
UEFA Intertoto Cup	10	3	3	4	11	14	–3
Total	18	5	5	8	15	23	–8

Results

Season	Competition	Round	Club	Home	Away	Aggregate
1993–94	UEFA Cup	R1	Sporting CP	0–0	0–2	0–2
1996	UEFA Intertoto Cup	Group 11	Uralmash	—	0–2	4th
			CSKA Sofia	1–3	—
			Strasbourg	—	1–1
			Hibernians	5–3	—
1997–98	Cup Winners' Cup	R1	Național București	2–0	1–0	3–0
		R2	Lokomotiv Moscow	0–0	1–2	1–2
1999	UEFA Intertoto Cup	R2	Ventspils	2–0	1–1	3–1
		R3	MSV Duisburg	0–3	0–0	0–3
2000	UEFA Intertoto Cup	R1	FK Atlantas	0–1	1–0	1–1, 4–5 (p)
2002–03	UEFA Cup	R1	Ferencváros	0–1	0–4	0–5

UEFA Ranking history

Season	Rank	Points	Ref.
1994	168	0.500	[72]
1995	177	0.500	[73]
1996	193	0.500	[74]
1997	188	0.500	[75]
1998	104	1.750	[76]
1999	142	15.175	[77]
2000	127	16.925	[78]
2001	117	19.987	[79]
2002	126	19.362	[80]

See also: UEFA coefficient

As of 2002

Players

Current squad

As of 19 August 2025^[81]

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.

No. Pos. Nation Player 1 GK  SRB Aleksandar Jovanović 2 DF  SUR Anfernee Dijksteel 3 DF  TUR Muharrem Cinan 4 DF  POL Mateusz Wieteska (on loan from Cagliari) 5 DF  GAB Aaron Appindangoyé 7 FW  ENG Dan Agyei 8 MF  TUR Cihat Çelik 9 FW  CRO Bruno Petković 11 FW  TUR Ahmet Sağat 14 DF  ANG Show 15 MF  TUR Tarkan Serbest 17 FW  TUR Oğulcan Çağlayan 18 FW  TUR Furkan Gedik 20 FW  CPV Ryan Mendes 21 DF  MLI Massadio Haïdara

No. Pos. Nation Player 22 DF  TUR Ahmet Oğuz 23 MF  TUR Samet Yalçın 27 MF  TUR Ege Bilim 35 GK  TUR Gökhan Değirmenci (captain) 41 DF  TUR Onur Öztonga 45 MF  TUR Mesut Can Tunalı 70 MF  AUT Can Keleş (on loan from Beşiktaş) 83 GK  TUR Serhat Öztaşdelen 98 MF  BEL Joseph Nonge 99 FW  HON Rigoberto Rivas — MF  POL Karol Linetty — MF  TUR Ümitcan Ekşi — GK  TUR Ahmet Hasan Göcen — FW  NGA Toheeb Lawal

Out on loan

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.

No. Pos. Nation Player — FW  TUR Bedirhan Yıldız (at Efeler 09 SFK until 30 June 2026)

Notable former players

The following players are among those who represented Kocaelispor in national and international competitions and have gained recognition:

• Orhan Ak
• Nuri Çolak
• Saffet Sancaklı
• Faruk Yiğit
• Dumitru Stângaciu
• John Moshoeu
• Detlef Müller
• Kwame Ayew
• Zdravko Lazarov
• Ahmed Hassan
• Roman Dąbrowski
• Miško Mirković

Non-playing staff

Administrative Staff

Position	Name
Chairman	Recep Durul
Vice-President	Veli Başkurt
Vice-President	Ahmet Arık
Finance VP	Gürhan Darcan
Media & R&D	Fazile Ayşe Özkurt
Tech & Football	Osman Çakır
Clubs Coord.	Ramazan Daş
Investment	Kadir Genç
Investment & Ads	Serkan Akpolat
Ads VP	Engin Arat
Legal VP	Ahmet Şahin
Legal & R&D VP	Kamil Sert
Tickets & Stadium	Serkan Bulut
Fans VP	Mert Kavşut
TFF Relations VP	Orhan Dönmez
Football VP	Zeynel Abidin Akyol
Football VP	Serkan Bozbağ
Youth VP	Rafet Kırgız
Sports Branches	Okan Yıldırım

Source: ^[82]

Coaching staff

Position	Name
Head coach	Selçuk İnan
Assistant coach	Sabahattin Yenilmez
	Volkan Kazak
	Olcan Adın
Goalkeeper coach	Hakan Bulut
Athletic coach	Ramazan Varli
Performance analyst	Emre Oğuz
Scout	Osman Yusuf Cömert
Club doctor	Gürbay Kahveci
Media officer	Fevzi Faruk Çetin
Youth development	Aydın Günaydın
Interpreter	Selim Kayalı

Source: ^[83]

Coach History

Kocaelispor have been led by a mix of local and foreign coaches, with landmark spells under Holger Osieck and Hikmet Karaman. In the mid-1990s Mustafa Denizli stabilised the side and delivered a top-five league finish in 1995–96, setting up the strongest period in club history.^[84][85] Under Güvenç Kurtar the club also featured regularly in continental competition, including the 1996 Intertoto campaign and subsequent European ties recorded by the club’s archive.^[86]

German coach Holger Osieck arrived midway through 1996–97 and led Kocaelispor to the club’s first Turkish Cup. The two-leg final against Trabzonspor finished 1–1 in Trabzon and 1–0 in İzmit, with the return leg decided by a late goal at İsmetpaşa Stadium.^[87][88] Osieck’s role is widely marked in local coverage and anniversary events organised in İzmit.^[89][90] The cup win took Kocaelispor into the UEFA Cup Winners' Cup the following season; contemporary summaries note ties against Naţional Bucureşti and Lokomotiv Moskova.^[91]

Hikmet Karaman—initially an assistant in İzmit—returned as head coach in 2000 and guided Kocaelispor to a second Turkish Cup in 2001–02, defeating Beşiktaş 4–0 in the final at Bursa Atatürk Stadium.^[92][93][94] That success carried the club into the 2002–03 UEFA Cup, where they were eliminated by Ferencváros over two legs (0–5 agg.).^[95][96]

In addition to those title-winning tenures, other notable coaching spells include Denizli’s 1994–96 run (culminating in a top-five finish) and multiple appointments for Güvenç Kurtar, who took the team into European competition in the late 1990s and early 2000s.^[97][98]

Season(s) Manager 1967–68 Avni Kalkavan 1968–69 Selahattin Arın 1970–71 Avni Kalkavan 1973 Doğan Akı 1973–74 Suat Mamat 1975–76 Sabri Kiraz 1975–76 Tekin Yolaç 1976–77 Avni Kalkavan 1976–77 Muhterem Ar 1977–78 Çetin Güler 1978–79 Abdullah Matay 1979–80 Fethi Demircan 1980–82 Zeynel Soyuer 1982 Şener Dal 1982 Fethi Demircan 1982–83 Yılmaz Gökdel 1983–84 Özcan Arkoç 1984–85 Şener Dal 1985–86 Yılmaz Gökdel 1986 Çetin Güler 1986–87 Avni Kalkavan 1987 Ahmet Asena 1988 Şener Dal 1988–89 Nihat Atacan 1990–91 Adnan Dinçer 1991–94 Güvenç Kurtar 1994 Reinhard Saftig 1994–96 Mustafa Denizli 1996–97 Hikmet Karaman 1997–98 Holger Osieck 1998–00 Güvenç Kurtar 2000 Rasim Kara 2000–02 Hikmet Karaman 2002–03 Güvenç Kurtar 2003 Hüseyin Kalpar 2003–04 Erhan Arslan 2004 Engin Korukır 2004–05 Bahri Kaya

Season(s) Manager 2005 Sadi Tekelioğlu 2005–06 Fuat Yaman 2006 Bülent Baturman 2006 Ümit Kayhan 2006–07 Fatih Uraz 2007 Orhan Şerit 2007 Fuat Yaman 2007–08 Kayhan Çubuklu 2008 Engin İpekoğlu 2008–09 Yılmaz Vural 2009 Erhan Altın 2009–10 Cihat Arslan 2010 Bülent Baturman 2010 Coşkun Demirkabakan 2010–11 Soner Alp 2011 Ceyhun Güray 2011 Yalçın Kıldıran 2011–12 Ekrem Albayrak 2012–13 Bülent Baturman 2013 Yalçın Kıldıran 2013 Faruk Sarman 2013–14 Ahmet Arslaner 2014–15 Kayhan Çubuklu 2015–16 Ergün Ortakcı 2016–17 Ümit Metin Yıldız 2017 Fatih Kavlak 2018–19 Galip Gündoğdu 2019 Engin Korukır 2019–20 Selahaddin Dinçel 2020–21 Erhan Altın 2021–22 Mustafa Reşit Akçay 2022 Mehmet Altıparmak 2022–23 Fırat Gül 2023–24 Ertuğrul Sağlam 2024 Mustafa Gürsel 2024 Ertuğrul Sağlam 2024–25 İsmet Taşdemir 2025– Selçuk İnan

President history

Over the course of the club’s history, Kocaelispor have been led by a long line of locally known administrators, beginning in the mid-1960s with figures such as İsmail Kolaylı, Baki Efe and İbrahim Küçükörs, and then by longer stints under Erol Köse (1972–78) and İsmail Kalkandelen in the late 1970s and mid-1980s. The presidency of Sefa Sirmen (1991–2002) is widely regarded as the club’s most successful modern era: during his tenure Kocaelispor consolidated their place in the top flight, built competitive squads and captured two Turkish Cups (1996–97 and 2001–02), the only major national trophies in the club’s cabinet.

The 2000s brought shorter administrations and financial headwinds, with a rapid succession of presidents (including Hikmet Erenkaya, İbrahim Saral, Cemal Derya and Serhan Gürkan) as the club navigated relegations and restructuring. From 2014 to 2019, Bahri Yavuz presided over a community-driven rebuild, followed by a period of stabilization and renewed professionalization under Hüseyin Üzülmez (2019–20) and Engin Koyun (2020–24), coinciding with the club’s steady climb back up the league pyramid and the settling of operations at the new Kocaeli Stadium. In March 2024, Recep Durul took office, with a mandate to maintain financial discipline, strengthen the academy-to-first-team pathway and keep the club competitive as it seeks sustainable success.

Season(s) President 1966–68 İsmail Kolaylı 1968–69 Baki Efe 1969–70 İbrahim Küçükörs 1970–71 Lütfü Tokoğlu 1971 Fuat Özçelebi 1971–72 İbrahim Küçükörs 1972–78 Erol Köse 1978–79 İbrahim Küçükörs 1979–80 İsmail Kalkandelen 1980–82 Hüseyin Kolaylı 1982–83 Ömer Gencal 1983–86 İsmail Kalkandelen 1986–87 Turan Sarı 1987 Necati Gençoğlu 1987 Mehmet Sait Yavuz 1987–88 Yusuf Dayı 1988 Mehmet Yalaz 1988–89 Muharrem Eskiyapan

Season(s) President 1989 Mustafa Turan 1989–90 Güngör Kandemir 1990–91 İsmet Kaya 1991–02 Sefa Sirmen 2002–04 Hikmet Erenkaya 2004–06 İbrahim Saral 2006–07 Cemal Derya 2007 Mustafa Ekşi 2007–09 Serhan Gürkan 2009–10 Muammer Çelik 2010–11 Serkan Toprakoğlu 2011–13 Orhan Görşen 2013–14 Nebil Uzun 2014–19 Bahri Yavuz 2019–20 Hüseyin Üzülmez 2020–24 Engin Koyun 2024– Recep Durul