Gabriel Diallo defeated Zizou Bergs in the final, 7–5, 7–6(10–8) to win the men's singles tennis title at the 2025 Libéma Open. It was his first ATP Tour title, and he saved two match points en route, in the second round against Jordan Thompson.
Alex de Minaur was the reigning champion, but withdrew before the tournament.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Lucky losers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw