2023 NÖ Open – Singles

Jozef Kovalík was the defending champion but lost in the first round to Henri Squire.

Singles
2023 NÖ Open
Champion	Vít Kopřiva
Runner-up	Sumit Nagal
Score	6–2, 6–4

Main article: 2023 NÖ Open

Vít Kopřiva won the title after defeating Sumit Nagal 6–2, 6–4 in the final.

Seeds

1. Albert Ramos Viñolas (quarterfinals)
2. Jurij Rodionov (second round)
3. Maximilian Marterer (semifinals)
4. Flavio Cobolli (semifinals)
5. Jozef Kovalík (first round)
6. Ivan Gakhov (second round)
7. Dalibor Svrčina (second round)
8. Vitaliy Sachko (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
		Sumit Nagal	6	6
	4	Flavio Cobolli	3	4
									Sumit Nagal	2	4
									Vít Kopřiva	6	6
	3	Maximilian Marterer	3	3
		Vít Kopřiva	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	A Ramos Viñolas	6	77
		F Misolic	4	62				1	A Ramos Viñolas	6	6
	WC	Sandro Kopp	3	4				Q	G Melzer	3	2
	Q	G Melzer	6	6											1	A Ramos Viñolas	66	3
		S Nagal	6	6												S Nagal	78	6
	Q	D Masur	1	2					S Nagal	77	3	6
		L Neumayer	62	61				8	V Sachko	62	6	3
	8	V Sachko	77	77																			S Nagal	6	6
	4	F Cobolli	6	7																		4	F Cobolli	3	4
		J Sels	3	5				4	F Cobolli	5
	Q	Jeremy Jahn	77	4	64				H Laaksonen	0r
		H Laaksonen	65	6	77										4	F Cobolli	6	6
	WC	N Oberleitner	64	6	3											H Squire	1	2
	WC	L Miedler	77	2	6			WC	L Miedler	6	3	4
		H Squire	63	6	6				H Squire	4	6	6
	5	J Kovalík	77	2	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	I Gakhov	7	6
	Q	B Hassan	5	4				6	I Gakhov	77	4	64
		R Molleker	5	4					S Rodríguez Taverna	64	6	77
		S Rodríguez Taverna	7	6												S Rodríguez Taverna	6	4	61
		Timo Stodder	1	6	6										3	M Marterer	4	6	77
		S Diez	6	2	1				T Stodder	69	1
	Q	L Rosol	4	6	3			3	M Marterer	711	6
	3	M Marterer	6	3	6																	3	M Marterer	3	3
	7	D Svrčina	1	6	6																		V Kopřiva	6	6
	Q	M Möller	6	4	1			7	D Svrčina	6	4	2
		D Kuzmanov	63	6	7				D Kuzmanov	2	6	6
		D Novak	77	2	5											D Kuzmanov	1	1
		V Kopřiva	6	77												V Kopřiva	6	6
		Z Kolář	2	64					V Kopřiva	7	2	6
		Elmar Ejupovic	64	6	4			2	J Rodionov	5	6	4
	2	J Rodionov	77	2	6

External links

• Main draw
• Qualifying draw