1‑Sep‑1971 | US Open | Grass | R64 | | | Cox d. Owen Davidson [AUS] | 7-6 6-4 6-0 | | | | | | | | | |
26‑Aug‑1970 | Newport 2 | Grass | RR | | | Cox d. Owen Davidson [AUS] | 6-5 6-3 | | | | | | | | | |
7‑Jun‑1970 | Casablanca WCT | | R16 | | | Cox d. Owen Davidson [AUS] | 6-3 6-4 0-6 6-4 | | | | | | | | | |
4‑Mar‑1970 | Wembley | Carpet | R16 | | | Cox d. Owen Davidson [AUS] | 4-6 6-2 6-3 | | | | | | | | | |
19‑Jun‑1967 | Queen's Club | Grass | R16 | | | Owen Davidson [AUS] d. Cox | 6-4 6-1 | | | | | | | | | |
30‑Jan‑1967 | Auckland | Grass | SF | | | Owen Davidson [AUS] d. Cox | 6-4 5-7 6-0 6-2 | | | | | | | | | |
11‑Nov‑1962 | Adelaide | Grass | R32 | | | Owen Davidson [AUS] d. Cox | 6-3 6-4 | | | | | | | | | |
5‑Nov‑1962 | Western Australia Championships | Grass | QF | | | Cox d. Owen Davidson [AUS] | 6-1 8-6 | | | | | | | | | |