Oldest Players at Top 2
The oldest player ever to enter the ATP Top 100 is Ken Rosewall, who entered it at the age of 44y 11m 13d on 1979-10-15. The second oldest is Stan Wawrinka (41y 0m 2d). Third is Roger Federer (40y 10m 26d). 88 players in this all-time list entered the Top 100 at age 35 or older.
| Top | Player | Age at Top 100 | Date |
|---|---|---|---|
| 1 | 44y 11m 13d | 1979-10-15 | |
| 2 | 41y 0m 2d | 2026-03-30 | |
| 3 | 40y 10m 26d | 2022-07-04 | |
| 4 | 40y 10m 2d | 2019-12-30 | |
| 5 | 40y 5m 6d | 1993-02-08 | |
| 6 | 39y 11m 17d | 2021-09-06 | |
| 7 | 39y 6m 11d | 1978-02-20 | |
| 8 | 39y 4m 20d | 2026-10-12 | |
| 9 | 39y 4m 4d | 2026-01-05 | |
| 10 | 39y 1m 24d | 1978-07-03 | |
| 11 | 39y 1m 8d | 1981-01-12 | |
| 12 | 39y 0m 3d | 1976-07-12 | |
| 13 | 38y 10m 12d | 1975-09-15 | |
| 14 | 38y 9m 21d | 1973-12-24 | |
| 15 | 38y 7m 28d | 1978-04-24 | |
| 16 | 38y 4m 21d | 2017-04-17 | |
| 17 | 38y 3m 13d | 2026-10-12 | |
| 18 | 38y 3m 12d | 1978-04-24 | |
| 19 | 38y 1m 10d | 2023-06-05 | |
| 20 | 38y 1m 4d | 2026-05-18 |
