Jannik Sinner knows he will be facing a new set of challenges at the French Open. Play starts Sunday in the clay-court tournament.

Defending champion Carlos Alcaraz and world number one Jannik Sinner resume the hottest rivalry in men's tennis at the French Open, where Novak Djokovic will fly the flag for the old guard as the claycourt Grand Slam enters the post-Rafa Nadal era.

Our predictions for the French Open include a boosted bet on Carlos Alcaraz to successfully defend his crown at Stade Roland Garros

Alcaraz beat Sinner over five sets in the French Open semifinals last year. Alcaraz then successfully defended his Wimbledon title for his fourth Grand Slam trophy. Sinner has won only one of his 19 career titles on clay, in Umag, Croatia, in 2022 — when he beat Alcaraz in the final.

Rafael Nadal has won more French Open tournaments than any other tennis player, with 14 titles. Check out all-time men's and women's winners now.

The following are some of the other contenders for the men's singles title at the French Open, which starts on Sunday: