17‑Apr‑1995 | Hong Kong | Hard | R32 | 125 | 51 | (7)Jan Siemerink [NED] d. (Q)Masur | 6-4 6-4 | | 0.88 | 1.9% | 1.9% | 69.8% | 73.0% | 43.8% | 0/3 | 1:11 |
13‑Apr‑1992 | Hong Kong | Hard | R16 | 73 | 87 | Shuzo Matsuoka [JPN] d. Masur | 7-6(3) 6-3 | | 0.82 | 9.8% | 6.6% | 62.3% | 76.3% | 43.5% | 0/2 | 1:45 |
13‑Apr‑1992 | Hong Kong | Hard | R32 | 73 | 34 | Masur d. (5)Paul Haarhuis [NED] | 6-3 6-2 | | 1.63 | 5.9% | 0.0% | 58.8% | 70.0% | 76.2% | 0/0 | 1:00 |
1‑Apr‑1991 | Hong Kong | Hard | F | 60 | 93 | Richard Krajicek [NED] d. Masur | 6-2 3-6 6-3 | | 0.98 | 2.9% | 1.5% | 76.5% | 73.1% | 50.0% | 1/4 | 1:26 |
1‑Apr‑1991 | Hong Kong | Hard | SF | 60 | 66 | Masur d. Alex Antonitsch [AUT] | 4-6 7-6(2) 6-3 | | 1.25 | 1.1% | 2.3% | 72.4% | 73.0% | 50.0% | 4/7 | 2:15 |
1‑Apr‑1991 | Hong Kong | Hard | QF | 60 | 249 | Masur d. (WC)Felix Barrientos [PHI] | 6-0 6-1 | | 2.92 | 2.5% | 0.0% | 77.5% | 80.6% | 66.7% | 2/2 | 0:52 |
1‑Apr‑1991 | Hong Kong | Hard | R16 | 60 | 494 | Masur d. (Q)Glenn Michibata [CAN] | 6-3 6-2 | | 1.37 | 0.0% | 1.8% | 83.6% | 71.7% | 44.4% | 4/5 | 1:02 |
1‑Apr‑1991 | Hong Kong | Hard | R32 | 60 | 21 | Masur d. (4)Jakob Hlasek [SUI] | 6-4 7-6(6) | | 0.99 | 0.0% | 3.8% | 75.9% | 68.3% | 57.9% | 6/8 | 1:21 |
23‑Apr‑1990 | Hong Kong | Hard | R16 | 27 | 145 | Tom Nijssen [NED] d. (1)Masur | 0-6 6-3 6-3 | | | | | | | | | |
23‑Apr‑1990 | Hong Kong | Hard | R32 | 27 | 90 | (1)Masur d. Thomas Hogstedt [SWE] | 6-3 6-0 | | | | | | | | | |
27‑Oct‑1986 | Hong Kong | Hard | R32 | 63 | 36 | (6)Jonathan Canter [USA] d. Masur | 6-3 6-4 | | | | | | | | | |
22‑Oct‑1984 | Hong Kong | Hard | R32 | 66 | 5 | (1)Andres Gomez [ECU] d. Masur | 6-4 5-7 6-0 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | F | | 48 | Masur d. Sammy Giammalva Jr [USA] | 6-1 6-1 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | SF | | 38 | Masur d. (3)Mark Edmondson [AUS] | 6-3 6-3 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | QF | | | Masur d. (Q)David Pate [USA] | 6-4 5-7 7-6 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | R16 | | | Masur d. Pat Dupre [USA] | 7-6 6-2 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | R32 | | | Masur d. Jim Gurfein [USA] | 4-6 6-3 6-0 | | | | | | | | | |