Youngest Players at Year-End No. 5
The youngest player to finish a season ranked No. 5 in ATP history is Michael Chang, who achieved it at the age of 17y 10m 3d in 1989. The second youngest is Pete Sampras (19y 4m 19d, 1990).
| Rank | Player | Age at EOY No. 5 | Year |
|---|---|---|---|
| 1 | 17y 10m 3d | 1989 | |
| 2 | 19y 4m 19d | 1990 | |
| 3 | 19y 10m 9d | 1978 | |
| 4 | 19y 11m 11d | 1985 | |
| 5 | 20y 1m 6d | 1987 | |
| 6 | 21y 3m 5d | 2009 | |
| 7 | 21y 10m 19d | 2001 | |
| 8 | 21y 11m 16d | 2003 | |
| 9 | 22y 4m 1d | 1998 | |
| 10 | 22y 4m 13d | 1974 | |
| 11 | 23y 3m 13d | 1994 | |
| 12 | 23y 3m 17d | 1999 | |
| 13 | 23y 4m 12d | 1981 | |
| 14 | 23y 5m 0d | 1977 | |
| 15 | 23y 6m 7d | 1976 | |
| 16 | 23y 7m 8d | 1983 | |
| 17 | 23y 10m 11d | 1997 | |
| 18 | 23y 10m 19d | 2019 | |
| 19 | 24y 2m 7d | 2021 | |
| 20 | 24y 3m 22d | 2017 |
