21‑Oct‑1974 | Melbourne | Clay | R32 | 282 | 63 | Allan Stone [AUS] d. Coghlan | 6-2 6-0 | | | | | | | | | |
23‑Jan‑1971 | Melbourne | Grass | R64 | | | Jean Loup Rouyer [FRA] d. Coghlan | 7-6 6-4 6-4 | | | | | | | | | |
6‑Jan‑1969 | Melbourne | Grass | R16 | | | Bill Bowrey [AUS] d. Coghlan | 6-4 6-1 6-3 | | | | | | | | | |
6‑Jan‑1969 | Melbourne | Grass | R32 | | | Coghlan d. Koji Watanabe [JPN] | 2-6 8-6 6-4 7-5 | | | | | | | | | |
24‑Nov‑1966 | Melbourne | Grass | R16 | | | John Newcombe [AUS] d. Coghlan | 10-12 7-5 6-1 6-8 6-0 | | | | | | | | | |
24‑Nov‑1966 | Melbourne | Grass | R32 | | | Coghlan d. Jim Mcmanus [USA] | 6-2 6-2 3-6 6-3 | | | | | | | | | |
24‑Nov‑1966 | Melbourne | Grass | R64 | | | Coghlan d. Kenneth Andersson [SWE] | 4-6 6-1 6-2 6-3 | | | | | | | | | |
26‑Nov‑1965 | Melbourne | Grass | R32 | | | John Newcombe [AUS] d. Coghlan | 6-2 2-6 2-6 6-0 6-2 | | | | | | | | | |
12‑Dec‑1964 | Melbourne | Grass | R16 | | | Roy Emerson [AUS] d. Coghlan | 6-2 6-4 6-3 | | | | | | | | | |
12‑Dec‑1964 | Melbourne | Grass | R32 | | | Coghlan d. Allan Kendall [AUS] | 6-3 6-3 10-8 | | | | | | | | | |
2‑Dec‑1963 | Melbourne | Grass | R16 | | | Ken Fletcher [AUS] d. Coghlan | 6-2 6-4 7-5 | | | | | | | | | |
2‑Dec‑1963 | Melbourne | Grass | R32 | | | Coghlan d. Doug Reid [AUS] | UNK | | | | | | | | | |
2‑Dec‑1963 | Melbourne | Grass | R64 | | | Coghlan d. Morrie Guse [AUS] | W/O | | | | | | | | | |
6‑Dec‑1962 | Melbourne | Grass | R32 | | | Bob Hewitt [RSA] d. Coghlan | 1-6 6-3 6-4 | | | | | | | | | |
6‑Dec‑1962 | Melbourne | Grass | R64 | | | Coghlan d. Robert Brien [AUS] | 6-3 6-3 | | | | | | | | | |
4‑Dec‑1961 | Melbourne | Grass | R32 | | | Bob Hewitt [RSA] d. Coghlan | 4-6 7-5 6-4 | | | | | | | | | |
4‑Dec‑1961 | Melbourne | Grass | R64 | | | Coghlan d. Jimmy Moore [AUS] | 6-2 6-1 | | | | | | | | | |
25‑Nov‑1960 | Melbourne | Grass | R32 | | | Bob Mark [AUS] d. Coghlan | 1-6 6-4 6-3 3-6 6-0 | | | | | | | | | |
25‑Nov‑1960 | Melbourne | Grass | R64 | | | Coghlan d. Song Kean Tan [MAS] | 6-3 6-2 6-0 | | | | | | | | | |
27‑Nov‑1959 | Melbourne | Grass | R32 | | | Bob Howe [AUS] d. Coghlan | 6-2 6-3 6-3 | | | | | | | | | |