2019 Monte-Carlo Masters – Singles

Fabio Fognini defeated Dušan Lajović in the final, 6–3, 6–4 to win the singles tennis title at the 2019 Monte-Carlo Masters. It was his first ATP Tour Masters 1000 title.

Rafael Nadal was the three-time defending champion, but lost in the semifinals to Fognini.

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

• 🇪🇸 Rafael Nadal (semifinals)

• 🇩🇪 Alexander Zverev (third round)

• 🇦🇹 Dominic Thiem (third round)

• 🇯🇵 Kei Nishikori (second round)

• Stefanos Tsitsipas (third round)

• Marin Čilić (second round)

• 🇷🇺 Karen Khachanov (second round)

• Borna Ćorić (quarterfinals)

• 🇷🇺 Daniil Medvedev (semifinals)

• 🇮🇹 Marco Cecchinato (third round)

• Nikoloz Basilashvili (first round)

• 🇮🇹 Fabio Fognini (champion)

• 🇫🇷 Gaël Monfils (withdrew)

• 🇨🇦 Denis Shapovalov (first round)

• 🇧🇪 David Goffin (second round)

• 🇬🇧 Kyle Edmund (first round)

Seeds
• # 🇦🇷 Leonardo Mayer (first round)

• # 🇫🇷 Ugo Humbert (qualifying competition)

• # 🇯🇵 Yoshihito Nishioka (first round)

• # 🇦🇷 Juan Ignacio Londero (qualified)

• # Aljaž Bedene (qualified)

• # 🇩🇪 Mischa Zverev (first round)

• # 🇦🇷 Federico Delbonis (qualified)

• # 🇯🇵 Taro Daniel (qualifying competition, lucky loser)

• # Ernests Gulbis (first round)

• # 🇦🇺 Bernard Tomic (first round)

• # 🇪🇸 Albert Ramos Viñolas (qualifying competition)

• # 🇩🇪 Peter Gojowczyk (first round)

• # 🇪🇸 Feliciano López (first round)

• # 🇷🇸 Miomir Kecmanović (first round)

Qualifiers
• # 🇦🇺 Alexei Popyrin

• # 🇷🇺 Andrey Rublev

• # 🇮🇹 Lorenzo Sonego

• # 🇦🇷 Juan Ignacio Londero

• # Aljaž Bedene

• # 🇦🇷 Guido Andreozzi

• # 🇦🇷 Federico Delbonis

Lucky loser

 * 1) 🇯🇵 Taro Daniel