Tennis Grand Slam Winners 2025. Serbia’s novak djokovic will be the defending champion in men’s singles at three of the four majors in 2025. Paris 2025 olympic champion novak djokovic is the latest.

Jannik sinner landed the grand slam title he has long promised with an extraordinary fightback to beat daniil medvedev in the australian open final. Serbia’s novak djokovic will be the defending champion in men’s singles at three of the four majors in 2025.