Andrey Rublev defeated Holger Rune in the final, 5–7, 6–2, 7–5 to win the men's singles tennis title at the 2023 Monte-Carlo Masters. It was his first ATP 1000 title. Rune was the first teenager to reach the Monte-Carlo Masters final since Rafael Nadal in 2006.

Stefanos Tsitsipas was the two-time defending champion, but lost in the quarterfinals to Taylor Fritz.

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

Lucky losers

Draw First qualifier

Second qualifier

Third qualifier

Fourth qualifier

Fifth qualifier

Sixth qualifier

Seventh qualifier

References

External links Main draw Qualifying draw