2019 Amex-Istanbul Challenger – Singles

Corentin Moutet was the defending champion^[1] but chose not to defend his title.

Singles
2019 Amex-Istanbul Challenger
Champion	Ugo Humbert
Runner-up	Denis Istomin
Score	6–2, 6–2

Main article: 2019 Amex-Istanbul Challenger

Ugo Humbert won the title after defeating Denis Istomin 6–2, 6–2 in the final.

Seeds

All seeds receive a bye into the second round.

1. Ugo Humbert (champion)
2. Marcel Granollers (withdrew)
3. Marius Copil (third round)
4. Malek Jaziri (withdrew)
5. Denis Istomin (final)
6. Lukáš Rosol (third round)
7. Maxime Janvier (second round)
8. Ramkumar Ramanathan (third round)
9. Roberto Marcora (third round)
10. Ruben Bemelmans (quarterfinals)
11. Jay Clarke (second round)
12. Nicola Kuhn (quarterfinals)
13. Aleksandr Nedovyesov (quarterfinals)
14. Roman Safiullin (second round)
15. Santiago Giraldo (withdrew)
16. Blaž Kavčič (semifinals)
17. Matteo Viola (third round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Quarterfinals							Semifinals							Final
	1	Ugo Humbert	63	7	6
	10	Ruben Bemelmans	77	5	2
								1	Ugo Humbert	6	6
								16	Blaž Kavčič	2	1
	16	Blaž Kavčič	6	6
	12	Nicola Kuhn	3	0
															1	Ugo Humbert	6	6
															5	Denis Istomin	2	2
		Botic van de Zandschulp	6	6
		David Poljak	3	2
									Botic van de Zandschulp	3	6	3
								5	Denis Istomin	6	3	6
	5	Denis Istomin	6	6
	13	Aleksandr Nedovyesov	3	4

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	U Humbert	6	6
	Alt	M Gengel	6	6				Alt	M Gengel	1	2
		S Danilov	2	0											1	U Humbert	6	6
		H Grenier	6	5	6											H Grenier	2	4
		J Rodionov	3	7	2				H Grenier	6	6
								Alt	S Arends	2	3
																						1	U Humbert	63	7	6
																						10	R Bemelmans	77	5	2
								10	R Bemelmans	6	7
		A Jecan	6	6					A Jecan	2	5
		Shalva Dzhanashiya	2	0											10	R Bemelmans	6	6
		D Yevseyev	64	2											6	L Rosol	4	3
		G Blancaneaux	77	6					G Blancaneaux	2	6	4
								6	L Rosol	6	3	6

Section 2

	First round							Second round							Third round							Quarterfinals
								3	M Copil	6	0	6
		A Lazov	5	6	1				R Roumane	3	6	2
		R Roumane	7	2	6										3	M Copil	3	5
	Alt	Burak Can Yılmaz	2	1											16	B Kavčič	6	7
		FC Jianu	6	6					FC Jianu	710	3	1r
								16	B Kavčič	68	6	2
																						16	B Kavčič	6	6
																						12	N Kuhn	3	0
								12	N Kuhn	6	6
	WC	Kirill Saplin	0	1				Alt	VV Cornea	2	4
	Alt	VV Cornea	6	6											12	N Kuhn	6	7
	WC	M İlhan	6	6											8	R Ramanathan	3	5
	WC	MN Türker	4	3				WC	M İlhan	2	2
								8	R Ramanathan	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								7	M Janvier	6	4	2
		A Dubrivnyy	3	2					B van de Zandschulp	1	6	6
		B van de Zandschulp	6	6												B van de Zandschulp	1	6	6
		L Miedler	6	6												L Miedler	6	1	3
		A Müller	4	4					L Miedler	6	7
								11	J Clarke	3	5
																							B van de Zandschulp	6	6
																							D Poljak	3	2
								14	R Safiullin	4	6	2
		A Golubev	4	5					D Poljak	6	3	6
		David Poljak	6	7												D Poljak	64	6	6
	WC	H Rune	1	3											17	M Viola	77	4	4
		T Lamasine	6	6					T Lamasine	4	1
								17	M Viola	6	6

Section 4

	First round							Second round							Third round							Quarterfinals
								5	D Istomin	69	6	2
		M Neuchrist	2r						M Zverev	711	2	1r
		M Zverev	5												5	D Istomin	3	6	711
		E Karlovskiy	3	65											9	R Marcora	6	3	69
		A Šetkić	6	77					A Šetkić	1	1
								9	R Marcora	6	6
																						5	D Istomin	6	6
																						13	A Nedovyesov	3	4
								13	A Nedovyesov	6	6
	WC	Baran Cengiz	6	6				WC	B Cengiz	1	4
		S Carr	3	2											13	A Nedovyesov	6	3
		Y Mertens	5	6	63											E Hoyt	2	0r
		E Hoyt	7	4	77				E Hoyt	6	7
								Alt	M Elgin	4	5