2023 NÖ Open
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| 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 | |
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.
