Arthur Fils defeated Francisco Cerúndolo in the final, 6–3, 7–5 to win the singles tennis title at the 2023 ATP Lyon Open. It was his first ATP Tour title.
Cameron Norrie was the defending champion, but lost in the semifinals to Cerúndolo.
Mikael Ymer was defaulted during his second-round match against Fils after he smashed the umpire's chair with his racket.
Seeds The top four seeds receive a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Lucky loser
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw