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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 16y 314d | Adelaide 1998 | |
| 2 | 18y 43d | Delray Beach 2008 | |
| 3 | 18y 274d | San Jose 2006 | |
| 4 | 18y 312d | Adelaide 2000 | |
| 5 | 18y 319d | Sydney 2000 | |
| 6 | 18y 348d | Washington 2001 | |
| 7 | 19y 8d | Copenhagen 2000 | |
| 8 | 19y 10d | Scottsdale 2000 | |
| 9 | 19y 85d | Sofia 2020 | |
| 10 | 19y 101d | Beijing 2005 |
