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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 16y 28d | US Open 1983 | |
| 2 | 16y 78d | Australian Championships 1968 | |
| 3 | 16y 90d | Roland Garros 1988 | |
| 4 | 16y 146d | Roland Garros 1984 | |
| 5 | 16y 188d | US Open 1988 | |
| 6 | 16y 215d | Wimbledon 1984 | |
| 7 | 16y 303d | Wimbledon 1981 | |
| 8 | 16y 327d | Roland Garros 1968 | |
| 9 | 16y 349d | Roland Garros 1973 | |
| 10 | 17y 4d | Australian Open 1984 | |
| 11 | 17y 18d | Wimbledon 1973 | |
| 12 | 17y 19d | Wimbledon 2003 | |
| 13 | 17y 26d | US Open 1984 | |
| 14 | 17y 45d | US Open 1980 | |
| 15 | 17y 66d | Australian Open 1979 | |
| 16 | 17y 80d | Australian Open 1969 | |
| 17 | 17y 83d | US Open 1973 | |
| 18 | 17y 96d | Roland Garros 1989 | |
| 19 | 17y 124d | Wimbledon 1989 | |
| 20 | 17y 125d | Australian Open 1989 |