Paris - Third seed and 2015 champion Stan Wawrinka defeated Slovakian qualifier Jozef Kovalik 6-2, 7-6 (8/6), 6-3 to reach the French Open second round on Tuesday.
Wawrinka saved two set points in the second set tie-breaker before going on to down the 152nd-ranked qualifier.
The Swiss player will face Alexandr Dolgopolov for a place in the last 32.
French Open results on Tuesday, the third day of the 2017 tournament at Roland Garros (x denotes seeding):
Men
First round
Andy Murray (GBR x1) bt Andrey Kuznetsov (RUS) 6-4, 4-6, 6-2, 6-0
Martin Klizan (SVK) bt Laurent Lokoli (FRA) 7-6 (7/4), 6-3, 4-6, 0-6, 6-4
Nicolas Almagro (ESP) bt Marcos Baghdatis (CYP) 6-7 (3/7), 6-4, 6-3, 7-6 (7/1)
Juan Martin Del Potro (ARG x29) bt Guido Pella (ARG) 6-2, 6-1, 6-4
John Isner (USA x21) bt Jordan Thompson (AUS) 6-3, 4-6, 7-6 (7/5), 6-3
Paolo Lorenzi (ITA) bt Ricardas Berankis (LTU) 6-0, 6-2, 6-4
Karen Khachanov (RUS) bt Nicolas Jarry (CHI) 6-4, 3-6, 7-6 (7/4), 6-1
Tomas Berdych (CZE x13) bt Jan-Lennard Struff (GER) 6-1, 6-1, 4-6, 6-4
Fernando Verdasco (ESP) bt Alexander Zverev (GER x9) 6-4, 3-6, 6-4, 6-2
Hyeon Chung (KOR) bt Sam Querrey (USA x27) 6-4, 3-6, 6-3, 6-3
Denis Istomin (UZB) bt Ernesto Escobedo (USA) 7-6 (7/3), 6-3, 6-4
Jermy Chardy (FRA) bt Radu Albot (MDA) 6-2, 6-4, 7-6 (7/3)
Kei Nishikori (JPN x8) bt Thanasi Kokkinakis (AUS) 4-6, 6-1, 6-4, 6-4
Stan Wawrinka (SUI x3) bt Jozef Kovalik (SVK) 6-2, 7-6 (8/6), 6-3
Alexandr Dolgopolov (UKR) bt Carlos Berlocq (ARG) 7-5, 6-3, 6-4
Gael Monfils (FRA x15) bt Dustin Brown (GER) 6-4, 7-5, 6-0
Kyle Edmund (GBR) bt Gastao Elias (POR) 6-3, 6-2, 7-5
Kevin Anderson (RSA) bt Malek Jaziri (TUN) 7-6 (7/4), 6-3, 7-6 (7/4)
Nick Kyrgios (AUS x18) bt Philipp Kohlschreiber (GER) 6-3, 7-6 (7/4), 6-3
Women
First round
Elina Svitolina (UKR x5) bt Yaroslava Shvedova (KAZ) 6-4, 6-3
Tsvetana Pironkova (BUL) bt Mona Barthel (GER) 6-0, 6-4
Anastasija Sevastova (LAT x17) bt Annika Beck (GER) 6-2, 6-4
Eugenie Bouchard (CAN) bt Risa Ozaki (JPN) 2-6, 6-3, 6-2
Petra Martic (CRO) bt Kateryna Bondarenko (UKR) 6-2, 7-5
Madison Keys (USA x12) bt Ashleigh Barty (AUS) 6-3, 6-2
Sorana Cirstea (ROM) bt Peng Shuai (CHN) 6-3, 6-1
Carla Suarez Navarro (ESP x21) bt Maria Sakkari (GRE) 6-4, 6-2
Darya Kasatkina (RUS) bt Yanina Wickmayer (BEL) 7-5, 6-4
Marketa Vondrousova (CZE) bt Amandine Hesse (FRA) 6-1, 6-0
Tatjana Malek (GER) bt Duan Ying-Ying (CHN) 6-4, 6-1
Simona Halep (ROM x3) bt Jana Cepelova (SVK) 6-2, 6-3
Hsieh Su-Wei (TPE) bt Johanna Konta (GBR x7) 1-6, 7-6 (7/2), 6-4
Taylor Townsend (USA) bt Miyu Kato (JPN) 6-4, 6-0
Chloe Paquet (FRA) bt Kristyna Pliskova (CZE) 6-7 (4/7), 6-2, 6-2
Caroline Garcia (FRA x28) bt Nao Hibino (JPN) 6-2, 6-2
Barbora Strycova (CZE x20) bt Alison Riske (USA) 6-3, 6-0
Alize Cornet (FRA) bt Timea Babos (HUN) 6-2, 6-7 (5/7), 6-2
Alison Van Uytvanck (BEL) bt Naomi Osaka (JPN) 6-3, 7-5
Agnieszka Radwanska (POL x9) bt Fiona Ferro (FRA) 6-1, 6-1