18‑May‑1998 | Dusseldorf | Clay | RR | 11 | 7 | Jonas Bjorkman [SWE] d. Chang | 6-2 3-6 7-6(2) | | 0.92 | 2.0% | 1.0% | 50.0% | 60.0% | 58.0% | 5/10 | 2:14 |
18‑May‑1998 | Dusseldorf | Clay | RR | 11 | 2 | Petr Korda [CZE] d. Chang | 7-6(6) 3-6 6-3 | | 0.98 | 5.0% | 4.0% | 47.0% | 74.5% | 50.9% | 6/9 | 2:27 |
19‑May‑1997 | Dusseldorf | Clay | RR | 2 | 78 | Chang d. Mark Woodforde [AUS] | 6-3 4-6 7-5 | | 1.08 | 4.7% | 4.7% | 46.7% | 76.0% | 56.1% | 5/7 | 2:18 |
19‑May‑1997 | Dusseldorf | Clay | RR | 2 | 4 | Goran Ivanisevic [CRO] d. Chang | 6-2 2-6 6-3 | | 0.87 | 7.0% | 7.0% | 46.5% | 78.8% | 36.8% | 1/6 | 1:35 |
19‑May‑1997 | Dusseldorf | Clay | RR | 2 | 26 | Chang d. Bohdan Ulihrach [CZE] | 6-3 7-6(3) | | 1.17 | 2.6% | 1.3% | 61.0% | 72.3% | 36.7% | 8/12 | 1:36 |
16‑May‑1994 | Dusseldorf | Clay | RR | 8 | 88 | Bernd Karbacher [GER] d. Chang | 6-4 6-2 | | | | | | | | | |
16‑May‑1994 | Dusseldorf | Clay | RR | 8 | 22 | Chang d. Alexander Volkov [RUS] | 6-4 7-5 | | | | | | | | | |
16‑May‑1994 | Dusseldorf | Clay | RR | 8 | 17 | Arnaud Boetsch [FRA] d. Chang | 6-4 7-6(6) | | | | | | | | | |
17‑May‑1993 | Dusseldorf | Clay | F | 9 | 57 | Chang d. Carl Uwe Steeb [GER] | 6-3 7-6 | | | | | | | | | |
17‑May‑1993 | Dusseldorf | Clay | RR | 9 | 46 | Chang d. Jakob Hlasek [SUI] | 6-2 6-3 | | | | | | | | | |
17‑May‑1993 | Dusseldorf | Clay | RR | 9 | 31 | Chang d. Andrei Chesnokov [RUS] | 6-1 6-4 | | | | | | | | | |
17‑May‑1993 | Dusseldorf | Clay | RR | 9 | 51 | Chang d. Carlos Costa [ESP] | 6-7 6-4 6-1 | | | | | | | | | |