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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 41y 159d | Acapulco 2023 | |
| 2 | 40y 206d | Basel 2025 | |
| 3 | 39y 349d | Indianapolis 1992 | |
| 4 | 39y 308d | Halle 2021 | |
| 5 | 39y 265d | Queen's Club 2021 | |
| 6 | 39y 207d | Basel 2024 | |
| 7 | 39y 160d | Memphis 1992 | |
| 8 | 38y 217d | Tokyo Outdoor 1991 | |
| 9 | 38y 91d | Rio de Janeiro 2022 | |
| 10 | 38y 73d | Basel 2019 | |
| 11 | 38y 50d | Vienna 2024 | |
| 12 | 37y 321d | Rotterdam 2023 | |
| 13 | 37y 312d | Halle 2019 | |
| 14 | 37y 310d | Tokyo 2016 | |
| 15 | 37y 269d | Hamburg 2021 | |
| 16 | 37y 239d | Halle 2021 | |
| 17 | 37y 238d | Vienna 2016 | |
| 18 | 37y 217d | Tokyo 2016 | |
| 19 | 37y 209d | Basel 2022 | |
| 20 | 37y 200d | Dubai 2019 |