2018 Lyon Open – Singles


was the defending champion, but due to injury did not defend his title.
Dominic Thiem won the title, defeating Gilles Simon in the final, 3–6, 7–6, 6–1.

Seeds

The top four seeds receive a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky Losers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier