2025 NÖ Open

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.

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

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
GBR	Jan Choinski	150	1
ITA	Francesco Maestrelli	155	2
AUT	Lukas Neumayer	157	3
ARG	Marco Trungelliti	183	4
ARG	Santiago Rodríguez Taverna	207	5
UKR	Vitaliy Sachko	217	6
SUI	Dominic Stricker	226	7
ARG	Alex Barrena	228	8

• ¹ Rankings are as of 25 August 2025.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Sandro Kopp
• Neil Oberleitner
• Joel Schwärzler

The following player received entry into the singles main draw using a protected ranking:

• Andrew Paulson

The following player received entry into the singles main draw through the Next Gen Accelerator programme:

• Diego Dedura

The following players received entry from the qualifying draw:

• Zdeněk Kolář
• Jozef Kovalík
• Rudolf Molleker
• Maxim Mrva
• David Poljak
• Kai Wehnelt

Champions

Singles

Main article: 2025 NÖ Open – Singles

• Marco Trungelliti def. Andrew Paulson 7–5, 6–1.

Doubles

Main article: 2025 NÖ Open – Doubles

• Neil Oberleitner / Joel Schwärzler def. Oleg Prihodko / Vitaliy Sachko 5–7, 6–3, [10–7].