Youngest Players at Top 3
The youngest player ever to enter the ATP Top 3 is Andre Agassi, who first appeared at 18y 6m 9d on 1988-11-07. The second youngest is Boris Becker (18y 6m 18d on 1986-06-09). Third is Bjorn Borg (18y 6m 24d). 13 players in this list entered the Top 3 before their 21st birthday.
| Top | Player | Age at Top 3 | Date |
|---|---|---|---|
| 1 | 18y 6m 9d | 1988-11-07 | |
| 2 | 18y 6m 18d | 1986-06-09 | |
| 3 | 18y 6m 24d | 1974-12-30 | |
| 4 | 19y 0m 3d | 2005-06-06 | |
| 5 | 19y 4m 7d | 2022-09-12 | |
| 6 | 19y 5m 29d | 1984-02-20 | |
| 7 | 20y 1m 17d | 1979-04-02 | |
| 8 | 20y 1m 17d | 2007-07-09 | |
| 9 | 20y 6m 12d | 1992-02-24 | |
| 10 | 20y 6m 17d | 2001-09-10 | |
| 11 | 20y 6m 17d | 2017-11-06 | |
| 12 | 20y 7m 15d | 2000-09-11 | |
| 13 | 20y 8m 3d | 1986-09-22 | |
| 14 | 21y 0m 9d | 2003-09-08 | |
| 15 | 21y 0m 23d | 1991-09-09 | |
| 16 | 21y 2m 24d | 1973-11-26 | |
| 17 | 21y 5m 17d | 1981-08-24 | |
| 18 | 21y 10m 29d | 2003-07-07 | |
| 19 | 21y 11m 16d | 2002-01-28 | |
| 20 | 21y 11m 26d | 2009-05-11 |
