Paris - Japanese eighth seed Kei Nishikori routed France's Jeremy Chardy 6-3, 6-0, 7-6 (7/5) to race into the French Open third round on Wednesday.
The world number nine will face either South Korean Hyeon Chung or Denis Istomin of Uzbekistan for a place in the last 16.
Nishikori's best performance at Roland Garros came in 2015 when he reached the quarter-finals.
French Open results on Thursday:
Men
2nd rd
Juan Martn Del Potro (ARG x29) bt Nicolas Almagro (ESP) 6-3, 3-6, 1-1 -- retired
John Isner (USA x21) bt Paolo Lorenzi (ITA) 6-3, 7-6 (7/3), 7-6 (7/2)
Karen Khachanov (RUS) bt Tomas Berdych (CZE x13) 7-5, 6-4, 6-4
Kei Nishikori (JPN x8) bt Jrmy Chardy (FRA) 6-3, 6-0, 7-6 (7/5)
Feliciano Lopez (ESP) bt David Ferrer (ESP x30) 7-5, 3-6, 7-5, 4-6, 6-4
Marin Cilic (CRO x7) bt Konstantin Kravchuk (RUS) 6-3, 6-2, 6-2
Women
2nd rd
Elina Svitolina (UKR x5) bt Tsvetana Pironkova (BUL) 3-6, 6-3, 6-2
Magda Linette (POL) bt Ana Konjuh (CRO x29) 6-0, 7-5
Darya Kasatkina (RUS x26) bt Markta Vondrousov (CZE) 7-6 (7/1), 6-4
Hsieh Su-Wei (TPE) bt Taylor Townsend (USA) 6-0, 2-6, 6-3
Alize Cornet (FRA) bt Barbora Strycova (CZE x20) 6-4, 6-1
Agnieszka Radwanska (POL x9) bt Alison Van Uytvanck (BEL) 6-7 (3/7), 6-2, 6-3