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 and only 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.Qualifying
Lucky loser
- '''Taro Daniel'''