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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 37y 312d | Halle 2019 | |
| 2 | 37y 239d | Halle 2021 | |
| 3 | 37y 62d | Queen's Club 2025 | |
| 4 | 36y 314d | Halle 2018 | |
| 5 | 36y 271d | Queen's Club 2018 | |
| 6 | 36y 107d | Halle 2015 | |
| 7 | 35y 315d | Halle 2017 | |
| 8 | 35y 272d | Queen's Club 2017 | |
| 9 | 35y 194d | Queen's Club 2014 | |
| 10 | 35y 68d | Halle 2013 | |
| 11 | 35y 65d | Halle 2023 | |
| 12 | 34y 354d | Queen's Club 2023 | |
| 13 | 34y 309d | Halle 2016 | |
| 14 | 34y 117d | Halle 2018 | |
| 15 | 34y 69d | Halle 2012 | |
| 16 | 34y 59d | Halle 2022 | |
| 17 | 34y 53d | Halle 2024 | |
| 18 | 34y 41d | Queen's Club 2017 | |
| 19 | 33y 310d | Halle 2015 | |
| 20 | 33y 257d | Queen's Club 2022 |