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."
Teenager Gukesh Dommaraju of India became the youngest chess world champion by beating defending champion Ding Liren of China on Thursday in a dramatic turn of events in the last game of a 14-game match in Singapore.
Saudi Arabia will host the FIFA World Cup in 2034 while the 2030 edition will be held in Spain, Portugal and Morocco, with one-off matches in three South American countries.
FIFA is set to confirm the hosts of the 2030 and 2034 men's World Cups on Wednesday, with a three-continent, six-nation bid led by Morocco, Spain and Portugal to be awarded the former and the latter going to Saudi Arabia.
Following arguably the most dominant year of golf since Tiger Woods was in his prime, Scottie Scheffler received the PGA Tour Player of the Year award on Tuesday night.
European Ryder Cup stars Robert MacIntyre and Tyrrell Hatton, and Major winner Adam Scott are the latest stars to confirm their return to the Hero Dubai Desert Classic, while PGA TOUR winner Akshay Bhatia will make his debut at the Emirates Golf Club from January 16-19.