2023 UniCredit Czech Open – Singles

Vít Kopřiva was the defending champion^[1] but lost in the first round to Máté Valkusz.

Singles
2023 UniCredit Czech Open
Champion	Dalibor Svrčina
Runner-up	Tomáš Macháč
Score	6–4, 6–2

Main article: 2023 UniCredit Czech Open

Dalibor Svrčina won the title after defeating Tomáš Macháč 6–4, 6–2 in the final.

Seeds

1. Jiří Lehečka (quarterfinals)
2. Federico Coria (first round)
3. Facundo Bagnis (second round)
4. Zsombor Piros (second round)
5. Tomáš Macháč (final)
6. Lukáš Klein (semifinals)
7. Elias Ymer (second round, retired)
8. Flavio Cobolli (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
	6	Lukáš Klein	3	6	4
	Alt	Dalibor Svrčina	6	4	6
								Alt	Dalibor Svrčina	6	6
								5	Tomáš Macháč	4	2
	SE	Francisco Comesaña	4	3
	5	Tomáš Macháč	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1/WC	J Lehečka	6	6
		N Hardt	3	4				1/WC	J Lehečka	77	6
		J Sels	6	62	6				J Sels	63	3
		M Navone	3	77	3										1/WC	J Lehečka	3	4
		Em Nava	77	6											6	L Klein	6	6
		Z Kolář	62	1					Em Nava	3	2
	Q	M Pucinelli de Almeida	4	6	4			6	L Klein	6	6
	6	L Klein	6	3	6																	6	L Klein	3	6	4
	3	F Bagnis	6	7																		Alt	D Svrčina	6	4	6
		M Geerts	1	5				3	F Bagnis	2	3
		ND Ionel	2	3				WC	J Menšík	6	6
	WC	J Menšík	6	6											WC	J Menšík	62	1
		L Darderi	7	4	0										Alt	D Svrčina	77	6
	Alt	D Svrčina	5	6	6			Alt	D Svrčina	4
		D Novak	4	6	2			7	E Ymer	1r
	7	E Ymer	6	2	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	F Cobolli	4	4
	Q	H Bartoň	6	6				Q	H Bartoň	6	3	1
	WC	Lukáš Pokorný	1	0					D Kuzmanov	2	6	6
		D Kuzmanov	6	6												D Kuzmanov	4	4
	SE	F Comesaña	6	6											SE	F Comesaña	6	6
	Q	Edoardo Lavagno	3	3				SE	F Comesaña	710	4	6
	Q	G Mpetshi Perricard	5	4				4	Z Piros	68	6	0
	4	Z Piros	7	6																		SE	F Comesaña	4	3
	5	T Macháč	6	6																		5	T Macháč	6	6
		F Ferreira Silva	2	2				5	T Macháč	6	6
		V Kopřiva	3	6	3			Q	M Valkusz	2	0
	Q	M Valkusz	6	4	6										5	T Macháč	7	6
	Q	RA Burruchaga	4	6	6										Q	RA Burruchaga	5	2
		A Collarini	6	4	3			Q	RA Burruchaga	6	6
		H Mayot	6	6					H Mayot	4	4
	2	F Coria	1	2