Novak Djokovic

Despite turning 38 in 2025, Novak Djokovic remains a formidable force, holding the men's Grand Slam singles record with 24 titles. His Olympic gold at Paris 2024 completed the Career Golden Slam—a milestone 15 years after his first major—providing emotional vindication. Djokovic's return-of-serve success rate of 34.5% still leads the tour, 2% higher than the average of players under 25, proving his enduring excellence.