Timespan between first and last time ranked at Year-End No. 4
The longest year-end career span at No. 4 in ATP history belongs to Andre Agassi: 13 seasons, from 1990 to 2003. Second is Boris Becker (7 seasons).
| Rank | Player | Timespan (years) | First year | Last year |
|---|---|---|---|---|
| 1 | 13 | 1990 | 2003 | |
| 2 | 7 | 1988 | 1995 | |
| 3 | 5 | 2008 | 2013 | |
| 4 | 4 | 1992 | 1996 | |
| 5 | 2 | 2014 | 2016 | |
| 6 | 2 | 1985 | 1987 | |
| 7 | 1 | 2017 | 2018 | |
| 8 | 1 | 1983 | 1984 | |
| 9 | 1 | 1978 | 1979 | |
| 10 | 1 | 2021 | 2022 | |
| 11 | 1 | 1993 | 1994 | |
| 12 | 0 | 2026 | 2026 | |
| 13 | 0 | 2025 | 2025 | |
| 14 | 0 | 2024 | 2024 | |
| 15 | 0 | 2023 | 2023 | |
| 16 | 0 | 2020 | 2020 | |
| 17 | 0 | 2019 | 2019 | |
| 18 | 0 | 2012 | 2012 | |
| 19 | 0 | 2007 | 2007 | |
| 20 | 0 | 2006 | 2006 |
