28‑Sep‑1970 | Berkeley | Hard | R32 | | | (5)Clark Graebner [USA] d. Van Dillen | W/O | | | | | | | | | |
28‑Sep‑1970 | Berkeley | Hard | R64 | | | Van Dillen d. John Cooper [AUS] | 6-3 6-3 | | | | | | | | | |
29‑Sep‑1969 | Berkeley | Hard | R32 | | | Jeff Borowiak [USA] d. Van Dillen | 6-4 7-9 6-3 | | | | | | | | | |
22‑Sep‑1968 | Berkeley | Hard | R16 | | | Stan Smith [USA] d. Van Dillen | 7-5 6-3 | | | | | | | | | |
22‑Sep‑1968 | Berkeley | Hard | R32 | | | Van Dillen d. Armistead Neely [USA] | 11-9 7-5 | | | | | | | | | |
22‑Sep‑1968 | Berkeley | Hard | R64 | | | Van Dillen d. Enver Mehmedbasich [USA] | 6-1 6-4 | | | | | | | | | |
22‑Sep‑1968 | Berkeley | Hard | R128 | | | Van Dillen d. Dave Hinchman [USA] | 6-3 6-2 | | | | | | | | | |
26‑Sep‑1966 | Berkeley | Hard | R32 | | | Roy Emerson [AUS] d. Van Dillen | 6-4 6-3 | | | | | | | | | |
21‑Sep‑1964 | Berkeley | Hard | R128 | | | Bob Hill [USA] d. Van Dillen | 3-6 6-1 6-2 | | | | | | | | | |