Singles
2023 Kozerki Open
Final
Champion	Jesper de Jong
Runner-up	Benjamin Hassan
Score	6–3, 6–3
Events
Singles Doubles
← 2022 · Kozerki Open · 2024 →

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

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

	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

	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

	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

• Main draw
• Qualifying draw