2023 Monte-Carlo Masters – Singles

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 Tour Masters 1000 title. 19-year-old Rune became 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. Tsitsipas’ defeat guaranteed a new champion for the tournament.

Seeds
The top eight seeds received a bye into the second round. • 🇷🇸 Novak Djokovic (third round)

• Stefanos Tsitsipas (quarterfinals)

•  Daniil Medvedev (quarterfinals)

• 🇳🇴 Casper Ruud (third round)

•  Andrey Rublev (champion)

•  Holger Rune (final)

• 🇮🇹 Jannik Sinner (semifinals)

• 🇺🇸 Taylor Fritz (semifinals)

•  Karen Khachanov (third round)

• 🇵🇱 Hubert Hurkacz (third round)

• 🇬🇧 Cameron Norrie (first round)

• 🇺🇸 Frances Tiafoe (withdrew)

• 🇩🇪 Alexander Zverev (third round)

• 🇦🇺 Alex de Minaur (second round)

•  Borna Ćorić (first round)

• 🇮🇹 Lorenzo Musetti (quarterfinals)

Finals


Seeds
• # 🇫🇮 Emil Ruusuvuori (qualifying competition, lucky loser)

• # 🇫🇷 Adrian Mannarino (first round)

• # 🇫🇷 Grégoire Barrère (first round)

• # 🇫🇷 Constant Lestienne (first round)

• # 🇷🇸 Dušan Lajović (qualifying competition, lucky loser)

• # 🇭🇺 Márton Fucsovics (qualified)

• # Ilya Ivashka (qualified)

• # 🇷🇸 Filip Krajinović (qualifying competition, lucky loser)

• # 🇫🇷 Ugo Humbert (qualified)

• # 🇵🇪 Juan Pablo Varillas (first round)

• # 🇩🇪 Oscar Otte (qualifying competition)

• # 🇫🇷 Luca Van Assche (qualifying competition)

• # 🇦🇺 Alexei Popyrin (qualified)

• # 🇯🇵 Taro Daniel (qualifying competition)

Qualifiers
• # 🇩🇪 Jan-Lennard Struff

• # Ivan Gakhov

• # 🇦🇺 Alexei Popyrin

• # 🇮🇹 Luca Nardi

• # 🇫🇷 Ugo Humbert

• # 🇭🇺 Márton Fucsovics

• # Ilya Ivashka

Lucky losers
• # 🇷🇸 Dušan Lajović

• # 🇷🇸 Filip Krajinović

• # 🇫🇮 Emil Ruusuvuori