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| Rank | Player | Age | Tournament |
|---|---|---|---|
| 1 | 48y 44d | St. Louis 1969 | |
| 2 | 44y 218d | Kingston 1972 | |
| 3 | 43y 348d | Sydney-1 1978 | |
| 4 | 43y 322d | Hong Kong 1972 | |
| 5 | 43y 217d | Kingston 1971 | |
| 6 | 43y 133d | Los Angeles 1971 | |
| 7 | 43y 5d | Hong Kong 1977 | |
| 8 | 42y 349d | Sydney-1 1977 | |
| 9 | 42y 319d | WCT Tournament of Champions 1977 | |
| 10 | 42y 158d | Tucson 1970 | |
| 11 | 42y 6d | Hong Kong 1976 | |
| 12 | 42y 3d | Las Vegas 1970 | |
| 13 | 41y 331d | Durban 1970 | |
| 14 | 41y 318d | Johannesburg 1970 | |
| 15 | 41y 202d | WCT Challenge Cup 1976 | |
| 16 | 41y 189d | Las Vegas 1976 | |
| 17 | 41y 149d | Las Vegas 1969 | |
| 18 | 41y 146d | Midland 1969 | |
| 19 | 41y 133d | Los Angeles-2 1969 | |
| 20 | 40y 191d | Las Vegas 1975 |