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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 16y 216d | San Francisco 1988 | |
| 2 | 17y 253d | London WCT 1974 | |
| 3 | 17y 258d | Wembley 1989 | |
| 4 | 17y 277d | Sao Paulo WCT 1974 | |
| 5 | 18y 59d | Milan 1984 | |
| 6 | 18y 122d | Chicago 1986 | |
| 7 | 18y 128d | Brisbane 1983 | |
| 8 | 18y 191d | Philadelphia 1990 | |
| 9 | 18y 192d | Calcutta 1978 | |
| 10 | 18y 213d | Bolzano 1992 | |
| 11 | 18y 234d | Richmond WCT 1975 | |
| 12 | 18y 244d | Bologna WCT 1975 | |
| 13 | 18y 332d | Tokyo-2 1986 | |
| 14 | 18y 339d | Paris 1986 | |
| 15 | 18y 363d | Springfield 1978 | |
| 16 | 19y 9d | Memphis 1985 | |
| 17 | 19y 121d | Grand Slam Cup 1990 | |
| 18 | 19y 128d | Milan 1987 | |
| 19 | 19y 131d | London-3 1970 | |
| 20 | 19y 140d | Roanoke 1972 |