Youngest Players to Reach No. 8
The youngest player ever to reach ATP No. 8 is Pat Cash, who achieved this milestone at 19y 7m 4d on 1984-12-31. The second youngest is Holger Rune (20y 7m 26d on 2023-12-25). Third is Alberto Berasategui (21y 5m 28d). A total of 46 players have ever reached No. 8. 2 of them did so before turning 21.
| Rank | Player | Age at No. 8 | Date |
|---|---|---|---|
| 1 | 19y 7m 4d | 1984-12-31 | |
| 2 | 20y 7m 26d | 2023-12-25 | |
| 3 | 21y 5m 28d | 1994-12-26 | |
| 4 | 21y 6m 13d | 2007-12-31 | |
| 5 | 21y 10m 5d | 1993-12-27 | |
| 6 | 21y 11m 28d | 2003-12-29 | |
| 7 | 22y 4m 13d | 1980-12-29 | |
| 8 | 22y 4m 23d | 1989-12-25 | |
| 9 | 22y 9m 13d | 1981-12-28 | |
| 10 | 23y 0m 5d | 2021-12-27 | |
| 11 | 23y 2m 8d | 2020-12-28 | |
| 12 | 23y 3m 23d | 2016-12-26 | |
| 13 | 23y 4m 14d | 1999-12-27 | |
| 14 | 23y 8m 18d | 2019-12-30 | |
| 15 | 23y 8m 28d | 2001-12-31 | |
| 16 | 23y 9m 26d | 2025-12-29 | |
| 17 | 23y 11m 13d | 2005-12-26 | |
| 18 | 24y 0m 2d | 2014-12-29 | |
| 19 | 24y 1m 14d | 1988-12-26 | |
| 20 | 24y 5m 17d | 1985-12-30 |
