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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 16y 69d | Tel Aviv 1983 | |
| 2 | 16y 216d | San Francisco 1988 | |
| 3 | 16y 314d | Adelaide 1998 | |
| 4 | 16y 349d | Boston 1984 | |
| 5 | 17y 39d | Tel Aviv 1984 | |
| 6 | 17y 46d | Geneva 1984 | |
| 7 | 17y 96d | Roland Garros 1989 | |
| 8 | 17y 195d | Munich 1987 | |
| 9 | 17y 200d | Queen's Club 1985 | |
| 10 | 17y 207d | Itaparica 1987 | |
| 11 | 17y 214d | Auckland 1974 | |
| 12 | 17y 214d | Melbourne-2 1982 | |
| 13 | 17y 214d | Wimbledon 1985 | |
| 14 | 17y 237d | Athens 1987 | |
| 15 | 17y 253d | London WCT 1974 | |
| 16 | 17y 258d | Wembley 1989 | |
| 17 | 17y 270d | Cincinnati 1985 | |
| 18 | 17y 274d | Roland Garros 1982 | |
| 19 | 17y 277d | Sao Paulo WCT 1974 | |
| 20 | 17y 288d | Genova 1992 |
