2023 NÖ Open

The 2023 NÖ Open was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Tulln an der Donau, Austria between 4 and 10 September 2023.

2023 NÖ Open
Date	4–10 September
Edition	3rd
Surface	Clay
Location	Tulln an der Donau, Austria
Champions
Singles
Vít Kopřiva
Doubles
Zdeněk Kolář / Blaž Rola

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
ESP	Albert Ramos Viñolas	88	1
AUT	Jurij Rodionov	100	2
GER	Maximilian Marterer	130	3
ITA	Flavio Cobolli	137	4
SVK	Jozef Kovalík	151	5
	Ivan Gakhov	161	6
CZE	Dalibor Svrčina	164	7
UKR	Vitaliy Sachko	165	8

• ¹ Rankings are as of 28 August 2023.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Sandro Kopp
• Lucas Miedler
• Neil Oberleitner

The following players received entry from the qualifying draw:

• Benjamin Hassan
• Jeremy Jahn
• Daniel Masur
• Gerald Melzer
• Marvin Möller
• Lukáš Rosol

Champions

Singles

Main article: 2023 NÖ Open – Singles

• Vít Kopřiva def. Sumit Nagal 6–2, 6–4.

Doubles

Main article: 2023 NÖ Open – Doubles

• Zdeněk Kolář / Blaž Rola def. Piotr Matuszewski / Kai Wehnelt 6–4, 4–6, [10–6].