Youngest Players at Top 30
The youngest player ever to enter the ATP Top 30 is Michael Chang, who first appeared at 16y 7m 11d on 1988-10-03. The second youngest is Aaron Krickstein (16y 9m 19d on 1984-05-21). Third is Bjorn Borg (17y 2m 21d). 100 players in this list entered the Top 30 before their 21st birthday.
| Top | Player | Age at Top 30 | Date |
|---|---|---|---|
| 1 | 16y 7m 11d | 1988-10-03 | |
| 2 | 16y 9m 19d | 1984-05-21 | |
| 3 | 17y 2m 21d | 1973-08-27 | |
| 4 | 17y 6m 5d | 1985-05-27 | |
| 5 | 17y 7m 1d | 1987-11-30 | |
| 6 | 17y 9m 2d | 1982-05-24 | |
| 7 | 17y 9m 14d | 1987-08-03 | |
| 8 | 18y 0m 21d | 1992-09-21 | |
| 9 | 18y 0m 27d | 1981-04-20 | |
| 10 | 18y 0m 28d | 1982-09-13 | |
| 11 | 18y 2m 7d | 1984-03-26 | |
| 12 | 18y 3m 19d | 1990-01-01 | |
| 13 | 18y 4m 2d | 1986-05-05 | |
| 14 | 18y 5m 23d | 1999-08-16 | |
| 15 | 18y 6m 1d | 1989-07-17 | |
| 16 | 18y 6m 0d | 1990-02-12 | |
| 17 | 18y 6m 6d | 1977-08-22 | |
| 18 | 18y 8m 5d | 1987-04-27 | |
| 19 | 18y 8m 21d | 2019-04-29 | |
| 20 | 18y 8m 26d | 2022-01-31 |
