2019 ATP Lyon Open – Singles

Singles
2019 ATP Lyon Open
Champion Benoît Paire
Runner-up Félix Auger-Aliassime
Score6–4, 6–3
Draw28 (4 Q / 3 WC )
Seeds8

Dominic Thiem was the defending champion, but he chose not to defend his title this year.

Benoît Paire won the title, defeating Félix Auger-Aliassime in the final, 6–4, 6–3.