Loading…
| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 15y 45d | Buenos Aires 1985 | |
| 2 | 15y 71d | Boca Raton 1975 | |
| 3 | 15y 110d | Mexico City 1969 | |
| 4 | 15y 308d | Madrid 1972 | |
| 5 | 15y 326d | Bastad 1980 | |
| 6 | 15y 330d | Mallorca 2002 | |
| 7 | 15y 342d | Houston 2008 | |
| 8 | 15y 342d | Boca Raton 1975 | |
| 9 | 16y 33d | Bastad 1972 | |
| 10 | 16y 70d | Forest Hills 1988 |
