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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 43y 268d | Des Moines 1972 | |
| 2 | 41y 135d | Jackson WCT 1976 | |
| 3 | 40y 143d | Jackson 1975 | |
| 4 | 40y 69d | Los Angeles NTL 1968 | |
| 5 | 38y 158d | Cleveland WCT 1973 | |
| 6 | 37y 237d | Lafayette 1979 | |
| 7 | 37y 187d | WCT Finals 1972 | |
| 8 | 37y 16d | WCT Finals 1971 | |
| 9 | 36y 334d | Vancouver WCT 1971 | |
| 10 | 36y 234d | Baltimore 1978 | |
| 11 | 36y 212d | Sao Paulo WCT 1975 | |
| 12 | 36y 172d | Itaparica 1982 | |
| 13 | 36y 169d | Denver 1971 | |
| 14 | 35y 165d | Philadelphia WCT 1974 | |
| 15 | 35y 70d | Los Angeles 1978 | |
| 16 | 35y 32d | World Invitational Tennis Classic 1973 | |
| 17 | 34y 310d | Chicago 1969 | |
| 18 | 34y 281d | San Jose 1978 | |
| 19 | 34y 186d | Toronto WCT 1973 | |
| 20 | 34y 174d | Richmond WCT 1973 |
