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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 44y 208d | New York-2 1972 | |
| 2 | 43y 268d | Des Moines 1972 | |
| 3 | 42y 153d | Jackson 1977 | |
| 4 | 42y 98d | Mexico City WCT 1977 | |
| 5 | 42y 67d | Tennis Champions Classic 1970 | |
| 6 | 41y 291d | Los Angeles-1 1970 | |
| 7 | 41y 135d | Jackson WCT 1976 | |
| 8 | 40y 351d | Anaheim 1969 | |
| 9 | 40y 211d | Nashville 1968 | |
| 10 | 40y 203d | New York-3 1968 | |
| 11 | 40y 143d | Jackson 1975 | |
| 12 | 40y 119d | Richmond 1969 | |
| 13 | 40y 103d | San Jose 1977 | |
| 14 | 40y 69d | Los Angeles NTL 1968 | |
| 15 | 38y 186d | WCT Finals 1973 | |
| 16 | 38y 158d | Cleveland WCT 1973 | |
| 17 | 38y 143d | Vancouver WCT 1973 | |
| 18 | 38y 137d | Washington WCT 1973 | |
| 19 | 38y 101d | Copenhagen WCT 1973 | |
| 20 | 38y 88d | Milan WCT 1973 |