Loading…
| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 20y 261d | Masters Cup 2001 | |
| 2 | 21y 90d | Tour Finals 2019 | |
| 3 | 21y 171d | Masters Cup 2008 | |
| 4 | 21y 205d | Tour Finals 2018 | |
| 5 | 21y 259d | Masters Cup 2002 | |
| 6 | 22y 93d | Masters Cup 2003 | |
| 7 | 23y 87d | ATP Tour Finals 2024 | |
| 8 | 23y 99d | Masters Cup 2004 | |
| 9 | 24y 78d | Tennis Masters Cup 2000 | |
| 10 | 24y 85d | ATP Finals 2025 |
