Coco Gauff

Coco Gauff entered 2025 as world number three after her 2023 US Open title, and she expanded her résumé with a Wimbledon semifinal and WTA Finals victory. At age 21, she is already a three-time Grand Slam finalist and has won 87% of her matches on hard courts this season, which is 8% higher than the average for women in the top 10. Her 2025 serving improvements have pushed her ace rate to 6.1 per match, outpacing #5 Iga Swiatek’s 4.3 aces per match.