Singles
Seeds
Austria Dominic Thiem
Greece Stefanos Tsitsipas
Argentina Diego Schwartzman
Belgium David Goffin (Second round)
France Gaël Monfils
Italy Jannik Sinner
Canada Félix Auger-Aliassime (First round)
Russia Karen Khachanov
Doubles
Seeds
France Pierre-Hugues Herbert / France Nicolas Mahut
Finland Henri Kontinen / France Édouard Roger-Vasselin
United Kingdom Ken Skupski / United Kingdom Neal Skupski (First round)
Monaco Hugo Nys / Germany Tim Pütz
2019 Lyon Open Draw
Singles
France Benoît Paire defeated Canada Félix Auger-Aliassime, 6–4, 6–3
Doubles
Croatia Ivan Dodig / France Édouard Roger-Vasselin defeated United Kingdom Ken Skupski / United Kingdom Neal Skupski, 6–4, 6–3
2018 Lyon Open Tennis Champions
Singles
Austria Dominic Thiem def. France Gilles Simon, 3–6, 7–6(7–1), 6–1
Doubles
Australia Nick Kyrgios / United States Jack Sock def. Czech Republic Roman Jebavý / Netherlands Matwé Middelkoop, 7–5, 2–6, [11–9]
2017 Lyon Open Tennis Champions
Singles
France Jo-Wilfried Tsonga def. Czech Republic Tomáš Berdych, 7–6(7–2), 7–5
Doubles
Argentina Andrés Molteni / Canada Adil Shamasdin def. New Zealand Marcus Daniell / Brazil Marcelo Demoliner, 6–3, 3–6, [10–5]