2023 Split Open – Singles

Christopher O'Connell was the defending champion^[1] but lost in the semifinals to Zsombor Piros.

Singles
2023 Split Open
Champion	Zsombor Piros
Runner-up	Norbert Gombos
Score	7–6(7–2), 7–6(11–9)

Main article: 2023 Split Open

Piros won the title after defeating Norbert Gombos 7–6^(7–2), 7–6^(11–9) in the final.

Seeds

1. Christopher O'Connell (semifinals)
2. Jurij Rodionov (first round)
3. Norbert Gombos (final)
4. Fábián Marozsán (first round)
5. Lukáš Klein (first round)
6. Filip Misolic (quarterfinals)
7. Mattia Bellucci (first round)
8. Kaichi Uchida (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
	1	Christopher O'Connell	2	4
		Zsombor Piros	6	6
									Zsombor Piros	77	711
								3	Norbert Gombos	62	69
	3	Norbert Gombos	6	6
	PR	Marc Polmans	2	4

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	C O'Connell	77	6
	Q	D Sweeny	65	2				1	C O'Connell	6	6
		E Furness	3	5				Q	N Fatić	1	3
	Q	N Fatić	6	7											1	C O'Connell	6	7
		S Rodríguez Taverna	6	3	4										WC	D Prižmić	2	5
	WC	D Prižmić	4	6	6			WC	D Prižmić	7	6
	Q	A Cazaux	6	7				Q	A Cazaux	5	2
	7	M Bellucci	3	5																		1	C O'Connell	2	4
	4	F Marozsán	3	3																			Z Piros	6	6
		Z Piros	6	6					Z Piros	6	77
	Alt	H Mayot	2	6	2			SE	S Mochizuki	4	61
	SE	S Mochizuki	6	1	6											Z Piros	77	5	6
		G Debru	6	2	4										Q	R Albot	65	7	3
		M Guinard	4	6	6				M Guinard	5	3
	Q	R Albot	6	7				Q	R Albot	7	6
	8	K Uchida	1	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	L Klein	6	3	65
		M Valkusz	3	6	77				M Valkusz	6	1	6
		F Maestrelli	77	6					F Maestrelli	2	6	2
		H Međedović	63	1												M Valkusz	610	3
	Q	K Żuk	6	710											3	N Gombos	712	6
		M Navone	4	68				Q	K Żuk	3	6	66
		F Cobolli	1	6	1			3	N Gombos	6	3	78
	3	N Gombos	6	3	6																	3	N Gombos	6	6
	6	F Misolic	6	6																		PR	M Polmans	2	4
		ND Ionel	3	3				6	F Misolic	4	78	77
		K Coppejans	6	3	3			Q	E Ymer	6	66	61
	Q	E Ymer	3	6	6										6	F Misolic	3	3
	WC	D Ajduković	63	6	6										PR	M Polmans	6	6
	WC	K Ivanovski	77	1	1			WC	D Ajduković	65	65
	PR	M Polmans	6	4	6			PR	M Polmans	77	77
	2	J Rodionov	4	6	3