2025 NÖ Open
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| 2025 NÖ Open | |
|---|---|
| Date | 1–7 September |
| Edition | 5th |
| Surface | Clay |
| Location | Tulln an der Donau, Austria |
| Champions | |
| Singles | |
 Marco Trungelliti | |
| Doubles | |
 Neil Oberleitner / Joel Schwärzler | |
The 2025 NÖ Open was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Tulln an der Donau, Austria between 1 and 7 September 2025.
