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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 40y 302d | Australian Open 2026 | |
| 2 | 39y 141d | Australian Open 2021 | |
| 3 | 38y 357d | US Open 1991 | |
| 4 | 38y 321d | Australian Open 2018 | |
| 5 | 38y 247d | Australian Open 2026 | |
| 6 | 38y 164d | Australian Open 2020 | |
| 7 | 38y 152d | US Open 2023 | |
| 8 | 38y 134d | Australian Open 2025 | |
| 9 | 38y 94d | US Open 2025 | |
| 10 | 38y 17d | US Open 2019 | |
| 11 | 37y 339d | US Open 2019 | |
| 12 | 37y 322d | Australian Open 2017 | |
| 13 | 37y 253d | US Open 2019 | |
| 14 | 37y 236d | Australian Open 2025 | |
| 15 | 37y 190d | US Open 2021 | |
| 16 | 37y 182d | US Open 2016 | |
| 17 | 37y 158d | Australian Open 2019 | |
| 18 | 37y 117d | Australian Open 2026 | |
| 19 | 37y 96d | US Open 2024 | |
| 20 | 37y 55d | US Open 2025 |