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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 39y 306d | Pune 2019 | |
| 2 | 38y 165d | Athens 2025 | |
| 3 | 38y 127d | Auckland 2025 | |
| 4 | 38y 117d | Umag 2023 | |
| 5 | 38y 104d | 's-Hertogenbosch 2017 | |
| 6 | 38y 42d | Bastad 2024 | |
| 7 | 37y 362d | Geneva 2025 | |
| 8 | 37y 285d | Dallas 2023 | |
| 9 | 37y 269d | Queen's Club 2019 | |
| 10 | 37y 223d | Montpellier 2026 |
