19‑Oct‑1987 | Vienna | Hard | SF | 69 | 23 | (6)Amos Mansdorf [ISR] d. Muster | 2-6 6-4 6-2 | | | | | | | | | |
19‑Oct‑1987 | Vienna | Hard | QF | 69 | 16 | Muster d. (2)Emilio Sanchez [ESP] | 6-4 6-4 | | | | | | | | | |
19‑Oct‑1987 | Vienna | Hard | R16 | 69 | 60 | Muster d. Horst Skoff [AUT] | 6-4 6-4 | | | | | | | | | |
19‑Oct‑1987 | Vienna | Hard | R32 | 69 | 43 | Muster d. (8)Tomas Smid [CZE] | 7-6 6-3 | | | | | | | | | |
12‑Oct‑1987 | Toulouse | Hard | R32 | 66 | 108 | Patrik Kuhnen [GER] d. Muster | 6-7 6-3 6-3 | | | | | | | | | |
2‑Oct‑1987 | Davis Cup EUR F: DEN vs AUT | Carpet | RR | 62 | 408 | Morten Christensen [DEN] d. Muster | 6-4 6-2 6-2 | | | | | | | | | |
2‑Oct‑1987 | Davis Cup EUR F: DEN vs AUT | Carpet | RR | 62 | 256 | Michael Tauson [DEN] d. Muster | 6-8 12-10 2-6 6-3 6-4 | | | | | | | | | |
21‑Sep‑1987 | Barcelona | Clay | R32 | 58 | 260 | (Q)Juan Aguilera [ESP] d. (15)Muster | 6-4 6-3 | | | | | | | | | |
21‑Sep‑1987 | Barcelona | Clay | R64 | 58 | 299 | (15)Muster d. (WC)Jorge Bardou [ESP] | 6-2 6-7 6-0 | | | | | | | | | |
1‑Sep‑1987 | US Open | Hard | R32 | 55 | 11 | (9)Andres Gomez [ECU] d. Muster | 1-6 6-7 6-3 6-3 6-3 | | | | | | | | | |
1‑Sep‑1987 | US Open | Hard | R64 | 55 | 96 | Muster d. Christian Bergstrom [SWE] | 6-7 6-2 6-7 6-3 6-4 | | | | | | | | | |
1‑Sep‑1987 | US Open | Hard | R128 | 55 | 132 | Muster d. Jorge Lozano [MEX] | 7-6 6-2 6-4 | | | | | | | | | |
24‑Aug‑1987 | Rye Brook | Hard | QF | 54 | 256 | (Q)John Ross [USA] d. (4)Muster | 7-6 6-3 | | | | | | | | | |
24‑Aug‑1987 | Rye Brook | Hard | R16 | 54 | 95 | (4)Muster d. Carl Limberger [AUS] | 7-6 6-2 | | | | | | | | | |
24‑Aug‑1987 | Rye Brook | Hard | R32 | 54 | 84 | (4)Muster d. Christian Bergstrom [SWE] | 3-6 7-6 6-3 | | | | | | | | | |
10‑Aug‑1987 | Prague | Clay | QF | 56 | 51 | (3)Tomas Smid [CZE] d. (6)Muster | 7-5 5-7 7-5 | | | | | | | | | |
10‑Aug‑1987 | Prague | Clay | R16 | 56 | 551 | (6)Muster d. (Q)George Bezecny [USA] | 6-1 6-1 | | | | | | | | | |
10‑Aug‑1987 | Prague | Clay | R32 | 56 | 196 | (6)Muster d. Olivier Delaitre [FRA] | 6-0 6-1 | | | | | | | | | |
3‑Aug‑1987 | Kitzbuhel | Clay | R16 | 58 | 52 | (10)Ronald Agenor [USA] d. (8)Muster | 6-4 6-2 | | | | | | | | | |
3‑Aug‑1987 | Kitzbuhel | Clay | R32 | 58 | 79 | (8)Muster d. Diego Perez [URU] | 7-5 6-2 | | | | | | | | | |
3‑Aug‑1987 | Kitzbuhel | Clay | R64 | 58 | 84 | (8)Muster d. Carl Limberger [AUS] | 2-6 6-4 6-3 | | | | | | | | | |
27‑Jul‑1987 | Hilversum | Clay | QF | 44 | 33 | (5)Guillermo Perez Roldan [ARG] d. Muster | 7-6 1-6 6-1 | | | | | | | | | |
27‑Jul‑1987 | Hilversum | Clay | R16 | 44 | 212 | Muster d. (Q)Hans Schwaier [GER] | 7-6 6-3 | | | | | | | | | |
27‑Jul‑1987 | Hilversum | Clay | R32 | 44 | 25 | Muster d. (3)Jakob Hlasek [SUI] | 6-1 0-6 7-6 | | | | | | | | | |
24‑Jul‑1987 | Davis Cup EUR SF: POR vs AUT | Clay | RR | 46 | 380 | Muster d. Joao Cunha Silva [POR] | 6-1 9-7 6-3 | | | | | | | | | |
24‑Jul‑1987 | Davis Cup EUR SF: POR vs AUT | Clay | RR | 46 | 402 | Muster d. Nuno Marques [POR] | 6-3 5-7 7-5 | | | | | | | | | |
13‑Jul‑1987 | Stuttgart Outdoor | Clay | R16 | 48 | 5 | (1)Miloslav Mecir [SVK] d. (16)Muster | 6-2 6-1 | | | | | | | | | |
13‑Jul‑1987 | Stuttgart Outdoor | Clay | R32 | 48 | 62 | (16)Muster d. Claudio Mezzadri [SUI] | 7-6 6-3 | | | | | | | | | |
22‑Jun‑1987 | Wimbledon | Grass | R128 | 51 | 52 | Guy Forget [FRA] d. Muster | 6-4 6-4 6-4 | | | | | | | | | |
12‑Jun‑1987 | Davis Cup EUR QF: AUT vs GRE | Clay | RR | 48 | 674 | Muster d. Tasos Bavelas [GRE] | 7-5 6-0 6-1 | | | | | | | | | |
12‑Jun‑1987 | Davis Cup EUR QF: AUT vs GRE | Clay | RR | 48 | 324 | Muster d. George Kalovelonis [GRE] | 6-1 7-5 | | | | | | | | | |
25‑May‑1987 | Roland Garros | Clay | R32 | 52 | 15 | (14)Martin Jaite [ARG] d. Muster | 6-2 3-6 7-6 6-0 | | | | | | | | | |
25‑May‑1987 | Roland Garros | Clay | R64 | 52 | 24 | Muster d. Ulf Stenlund [SWE] | 6-2 6-2 6-2 | | | | | | | | | |
25‑May‑1987 | Roland Garros | Clay | R128 | 52 | 51 | Muster d. Guillermo Perez Roldan [ARG] | 6-1 6-3 6-2 | | | | | | | | | |
11‑May‑1987 | Rome | Clay | R64 | 50 | 162 | (Q)Claudio Mezzadri [SUI] d. Muster | 6-2 6-3 | | | | | | | | | |
4‑May‑1987 | Munich | Clay | R16 | 49 | 96 | Guillermo Perez Roldan [ARG] d. (6)Muster | 6-2 6-3 | | | | | | | | | |
4‑May‑1987 | Munich | Clay | R32 | 49 | 99 | (6)Muster d. Franco Davin [ARG] | 1-6 6-2 6-0 | | | | | | | | | |
27‑Apr‑1987 | Hamburg | Clay | R64 | 44 | 132 | Marian Vajda [SVK] d. Muster | 6-4 6-3 | | | | | | | | | |
20‑Apr‑1987 | Monte Carlo | Clay | R16 | 45 | 18 | (9)Martin Jaite [ARG] d. Muster | 6-2 6-4 | | | | | | | | | |
20‑Apr‑1987 | Monte Carlo | Clay | R32 | 45 | 17 | Muster d. (8)Joakim Nystrom [SWE] | 0-6 6-3 7-6 | | | | | | | | | |
20‑Apr‑1987 | Monte Carlo | Clay | R64 | 45 | 188 | Muster d. (Q)Javier Sanchez [ESP] | 1-6 6-1 6-3 | | | | | | | | | |
6‑Apr‑1987 | Graz CH | Hard | QF | 47 | 258 | (Q)Christian Saceanu [GER] d. (2)Muster | 6-2 6-4 | | | | | | | | | |
6‑Apr‑1987 | Graz CH | Hard | R16 | 47 | 173 | (2)Muster d. Leif Shiras [USA] | 3-6 6-4 6-3 | | | | | | | | | |
6‑Apr‑1987 | Graz CH | Hard | R32 | 47 | 365 | (2)Muster d. (Q)Richard Vogel [CZE] | 6-1 7-5 | | | | | | | | | |
23‑Feb‑1987 | Key Biscayne | Hard | R32 | 47 | 1 | (1)Ivan Lendl [USA] d. Muster | 3-6 6-4 6-0 6-2 | | | | | | | | | |
23‑Feb‑1987 | Key Biscayne | Hard | R64 | 47 | 39 | Muster d. (32)Andrei Chesnokov [RUS] | 6-4 7-5 6-3 | | | | | | | | | |
23‑Feb‑1987 | Key Biscayne | Hard | R128 | 47 | 93 | Muster d. Andre Agassi [USA] | 7-6 7-5 5-7 0-6 6-4 | | | | | | | | | |