Former runner-up Stefanos Tsitsipas kicked off his French Open campaign with a 7-6 (9-7) 6-4 6-1 victory over Hungarian journeyman Marton Fucsovics on Monday.
The ninth-seeded Greek, who won the Monte Carlos Masters this year, showed his range of qualities on clay to set up a second-round meeting with German Daniel Altmaier.
The 25-year-old wrapped up victory when Fucsovics sent a return wide under the roof on Court Suzanne Lenglen.
In the women's competition, top seed Iga Swiatek cruised past qualifier Leolia Jeanjean 6-1 6-2 to launch her title defence at the tournament where she seeks a fourth title on the Paris clay.
The 22-year-old world number one, who has won the French Open three times in the last four years, arrived in Paris on the back of a 12-match winning streak on clay, having rolled through the tournaments in Madrid and Rome.
"Matches like that give me a lot of satisfaction," said Swiatek, who next faces former world number one Naomi Osaka in the second round. "Overall, I am happy with my performance."
Virat Kohli became only the second batter after Sachin Tendulkar to reach 15,000 ODI runs, achieving the milestone with an unbeaten century as India cruised to an eight-wicket victory over West Indies in the opening one-day international on Sunday.
Temba Bavuma and David Miller both struck centuries as South Africa defeated Australia by 32 runs in a high-scoring second one-day international in Johannesburg on Sunday to claim the three-match series with a game to spare.
World number two Alexander Zverev sealed Team Europe's record-extending sixth Laver Cup title with a straight-sets victory over American Learner Tien, giving them a 13-5 win against Team World at London's O2 Arena on Sunday.
England’s Tom Banton struck a first One Day International century before England’s bowlers romped through the Sri Lanka line-up to ensure a 2-1 series victory, winning the deciding clash by an imposing 223 runs at The Oval on Sunday.
Ferrari team boss Fred Vasseur has described the speculation surrounding his future as frustrating after former Red Bull team principal Christian Horner's comments in an interview fuelled talk of a potential move for the Briton to the Italian team.