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
- Vít Kopřiva def.
Sumit Nagal 6–2, 6–4.
Doubles
- Zdeněk Kolář /
Blaž Rola def. 
Piotr Matuszewski / Kai Wehnelt 6–4, 4–6, [10–6].
References
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