Carlos Alcaraz defeated Lorenzo Musetti in the final, 3–6, 6–1, 6–0 to win the men's singles tennis title at the 2025 Monte-Carlo Masters. It was his sixth ATP 1000 title and 18th career ATP Tour title.

Stefanos Tsitsipas was the defending champion, but lost to Musetti in the quarterfinals. Valentin Vacherot was the first Monégasque player to win a main-draw match at the tournament since Jean-René Lisnard in 2009.

Seeds The top eight seeds received a bye into the second round.

Draw

Finals

Top half Section 1

Section 2

Bottom half Section 3

Section 4

Qualifying Seeds

Qualifiers

Qualifying draw First qualifier

Second qualifier

Third qualifier

Fourth qualifier

Fifth qualifier

Sixth qualifier

Seventh qualifier

References

External links Main draw Qualifying draw