| 2‑Nov‑1981 | Hong Kong | Hard | R32 | 95 | 15 | (1)Kim Warwick [AUS] d. Mottram | 5-7 7-5 6-0 | | | | | | | | | |
| 3‑Nov‑1980 | Hong Kong | Hard | R32 | 40 | 76 | Francisco Gonzalez [PAR] d. (6)Mottram | 6-3 6-2 | | | | | | | | | |
| 5‑Nov‑1979 | Hong Kong | Hard | SF | 32 | 2 | (1)Jimmy Connors [USA] d. (4)Mottram | 7-6 6-4 | | | | | | | | | |
| 5‑Nov‑1979 | Hong Kong | Hard | QF | 32 | 50 | (4)Mottram d. John Sadri [USA] | 5-7 6-4 7-6 | | | | | | | | | |
| 5‑Nov‑1979 | Hong Kong | Hard | R16 | 32 | 79 | (4)Mottram d. Brad Drewett [AUS] | 6-3 3-6 6-3 | | | | | | | | | |
| 5‑Nov‑1979 | Hong Kong | Hard | R32 | 32 | 100 | (4)Mottram d. Ramesh Krishnan [IND] | 6-2 6-3 | | | | | | | | | |
| 13‑Nov‑1978 | Hong Kong | Hard | R16 | 24 | | (Q)Ramesh Krishnan [IND] d. (3)Mottram | DEF | | | | | | | | | |
| 13‑Nov‑1978 | Hong Kong | Hard | R32 | 24 | | (3)Mottram d. Sashi Menon [IND] | 6-2 6-3 | | | | | | | | | |