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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 16y 28d | US Open 1983 | |
| 2 | 16y 188d | US Open 1988 | |
| 3 | 17y 125d | Australian Open 1989 | |
| 4 | 17y 187d | US Open 1989 | |
| 5 | 17y 278d | US Open 1985 | |
| 6 | 17y 281d | Australian Open 1988 | |
| 7 | 17y 308d | US Open 1985 | |
| 8 | 18y 8d | US Open 1982 | |
| 9 | 18y 16d | US Open 1989 | |
| 10 | 18y 117d | US Open 2021 |
