2025 European Open
The 2025 European Open was a men's tennis tournament played on indoor hard courts. It was the tenth edition of the European Open and an ATP 250 event on the 2025 ATP Tour. It took place at the Brussels Expo in Brussels, Belgium, from 13 October until 19 October 2025.
Champions
Singles
- Félix Auger-Aliassime def. Jiří Lehečka, 7–6, 6–7, 6–2
Doubles
- Christian Harrison / Evan King def. Hugo Nys / Édouard Roger-Vasselin, 7–6, 7–6
Singles main-draw entrants
Seeds
- Rankings are as of 29 September 2025.
Other entrants
The following player received entry using a protected ranking into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
- Valentin Royer
Withdrawals
- Roberto Bautista Agut → replaced by Valentin Royer
- Nuno Borges → replaced by Quentin Halys
- Jaume Munar → replaced by Emil Ruusuvuori
- Arthur Rinderknech → replaced by Matteo Arnaldi
- Frances Tiafoe → replaced by Damir Džumhur
Doubles main-draw entrants
Seeds
- Rankings are as of 29 September 2025.
Other entrants
- Alexander Blockx / Tibo Colson
- Raphaël Collignon / David Goffin
- Grégoire Jacq / Nicolas Mahut
Withdrawals
- Zizou Bergs / Marcos Giron → replaced by Grégoire Jacq / Nicolas Mahut