31‑Oct‑1983 | Hong Kong | Hard | R32 | 91 | 50 | Brad Gilbert [USA] d. Winitsky | 7-5 6-2 | | | | | | | | | |
1‑Nov‑1982 | Hong Kong | Hard | R32 | 42 | | Trey Waltke [USA] d. (4)Winitsky | 6-3 6-2 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | F | 83 | 34 | Winitsky d. (5)Mark Edmondson [AUS] | 6-4 6-7 6-4 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | SF | 83 | | Winitsky d. Marty Davis [USA] | 7-5 6-7 6-3 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | QF | 83 | | Winitsky d. Lloyd Bourne [USA] | 6-3 6-7 6-3 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | R16 | 83 | 15 | Winitsky d. (1)Kim Warwick [AUS] | 6-4 3-0 RET | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | R32 | 83 | | Winitsky d. Peter Feigl [AUT] | 6-2 7-6 | | | | | | | | | |