2023 Kozerki Open – Singles

Tomáš Macháč was the defending champion^[1] but lost in the second round to Denis Yevseyev.

Singles
2023 Kozerki Open
Champion	Jesper de Jong
Runner-up	Benjamin Hassan
Score	6–3, 6–3

Main article: 2023 Kozerki Open

Jesper de Jong won the title after defeating Benjamin Hassan 6–3, 6–3 in the final.

Seeds

1. Tomáš Macháč (second round)
2. Joris De Loore (first round)
3. Zdeněk Kolář (withdrew)
4. Marc Polmans (second round)
5. Jesper de Jong (champion)
6. Elias Ymer (semifinals)
7. Jelle Sels (first round)
8. Frederico Ferreira Silva (first 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

	Semifinals							Final
	Q	Denis Yevseyev	4	4
		Benjamin Hassan	6	6
									Benjamin Hassan	3	3
								5	Jesper de Jong	6	6
	5	Jesper de Jong	79	6
	6	Elias Ymer	67	1

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	T Macháč	6	6
		F Peliwo	1	1				1	T Macháč	5	65
	WC	T Berkieta	3	1				Q	D Yevseyev	7	77
	Q	D Yevseyev	6	6											Q	D Yevseyev	6	3	77
		M Janvier	77	6												M Janvier	3	6	65
		A Bellier	61	3					M Janvier	6	5	6
		S Mansouri	77	6					S Mansouri	1	7	2
	8	F Ferreira Silva	64	3																		Q	D Yevseyev	4	4
	4	M Polmans	6	6																			B Hassan	6	6
	Q	Adrià Soriano Barrera	3	4				4	M Polmans	2	2
	Q	M Copil	6	1	6			Q	M Copil	6	6
		K Ivanovski	4	6	4										Q	M Copil	5	1
		B Hassan	6	6												B Hassan	7	6
	WC	Martyn Pawelski	2	0					B Hassan	4	77	77
	Q	J Veselý	6	7				Q	J Veselý	6	65	65
	7	J Sels	4	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	J de Jong	6	4
		S Rodríguez Taverna	3	3r				5	J de Jong	6	6
		R Berankis	1	6	2			Alt	C Broom	4	4
	Alt	C Broom	6	3	6										5	J de Jong	6	6
	WC	Dali Blanch	2	1												M Kaśnikowski	0	2
	Alt	P Gojowczyk	6	6				Alt	P Gojowczyk	3	4
		M Kaśnikowski	6	6					M Kaśnikowski	6	6
	LL	S Sakellaridis	2	0																		5	J de Jong	79	6
	6	E Ymer	6	6																		6	E Ymer	67	1
	Q	David Poljak	4	3				6	E Ymer	4	6	6
		S Napolitano	6	4	62				J Marie	6	3	4
		Jules Marie	3	6	77										6	E Ymer	6	6
	Q	A Santillan	3	2												K Żuk	3	4
		K Żuk	6	6					K Żuk	6	3	7
	Alt	V Durasovic	1	78	77			Alt	V Durasovic	4	6	5
	2	J De Loore	6	66	64