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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 39y 40d | Houston 2018 | |
| 2 | 38y 117d | Umag 2023 | |
| 3 | 38y 42d | Bastad 2024 | |
| 4 | 37y 362d | Geneva 2025 | |
| 5 | 37y 56d | Istanbul 2016 | |
| 6 | 36y 364d | Geneva 2024 | |
| 7 | 36y 342d | Houston 2022 | |
| 8 | 36y 229d | Munich 2008 | |
| 9 | 36y 188d | Quito 2017 | |
| 10 | 36y 24d | Munich 2014 | |
| 11 | 35y 332d | Geneva 2022 | |
| 12 | 35y 327d | Sao Paulo 2014 | |
| 13 | 35y 214d | Umag 2017 | |
| 14 | 35y 182d | Quito 2016 | |
| 15 | 35y 181d | Gstaad 2023 | |
| 16 | 35y 136d | Geneva 2021 | |
| 17 | 35y 130d | Budapest 2017 | |
| 18 | 35y 129d | Marrakech 2016 | |
| 19 | 35y 114d | Geneva 2021 | |
| 20 | 35y 106d | Bastad 2017 |