28‑Oct‑1991 | Buzios | Hard | QF | 35 | 183 | Francisco Roig [ESP] d. (4)Muster | 4-6 6-3 6-3 | | 0.87 | 0.0% | 0.0% | 86.0% | 56.3% | 61.5% | 10/15 | 1:50 |
28‑Oct‑1991 | Buzios | Hard | R16 | 35 | 89 | (4)Muster d. Andres Gomez [ECU] | 6-4 6-4 | | 1.20 | 1.8% | 0.0% | 73.2% | 82.9% | 53.3% | 1/1 | 1:07 |
28‑Oct‑1991 | Buzios | Hard | R32 | 35 | 56 | (4)Muster d. Mark Koevermans [NED] | 6-3 7-6(8) | | 1.26 | 0.0% | 2.5% | 81.0% | 65.6% | 53.3% | 4/6 | 1:50 |
21‑Oct‑1991 | Guaruja | Hard | R32 | 35 | 92 | Luiz Mattar [BRA] d. (1)Muster | 6-3 6-2 | | 0.72 | 0.0% | 5.1% | 53.2% | 61.9% | 37.8% | 9/14 | 1:28 |
30‑Sep‑1991 | Athens | Clay | SF | 32 | 10 | (1)Sergi Bruguera [ESP] d. (4)Muster | 1-6 6-2 6-0 | | 0.80 | 0.0% | 1.8% | 80.4% | 44.4% | 36.4% | 2/8 | 1:24 |
30‑Sep‑1991 | Athens | Clay | QF | 32 | 44 | (4)Muster d. (6)Guillermo Perez Roldan [ARG] | 6-3 3-6 7-6(3) | | 1.15 | 0.0% | 0.0% | 82.5% | 61.3% | 82.4% | 5/8 | 2:25 |
30‑Sep‑1991 | Athens | Clay | R16 | 32 | 251 | (4)Muster d. Francisco Yunis [ARG] | 6-4 6-3 | | 1.73 | 0.0% | 0.0% | 77.4% | 73.2% | 75.0% | 2/2 | 1:32 |
30‑Sep‑1991 | Athens | Clay | R32 | 32 | 96 | (4)Muster d. Jacco Eltingh [NED] | 6-4 6-3 | | 1.59 | 0.0% | 0.0% | 80.0% | 77.5% | 50.0% | 1/2 | 1:11 |
23‑Sep‑1991 | Palermo | Clay | QF | 36 | 12 | (1)Emilio Sanchez [ESP] d. (8)Muster | 6-3 7-6(3) | | 0.88 | 0.0% | 1.5% | 75.0% | 52.9% | 35.3% | 3/9 | 1:45 |
23‑Sep‑1991 | Palermo | Clay | R16 | 36 | 100 | (8)Muster d. Roberto Azar [ARG] | 6-1 6-3 | | 1.61 | 6.7% | 1.7% | 71.7% | 55.8% | 47.1% | 4/7 | 1:12 |
23‑Sep‑1991 | Palermo | Clay | R32 | 36 | 49 | (8)Muster d. Ronald Agenor [USA] | 6-0 6-4 | | 1.49 | 1.8% | 0.0% | 75.4% | 67.4% | 57.1% | 2/3 | 1:10 |
20‑Sep‑1991 | Davis Cup WG PO: GBR vs AUT | Grass | RR | 38 | 324 | Mark Petchey [GBR] d. Muster | 6-2 3-6 7-6(5) 6-2 | | | | | | | | | |
9‑Sep‑1991 | Geneva | Clay | F | 53 | 25 | Muster d. (4)Horst Skoff [AUT] | 6-2 6-4 | | 1.26 | 1.5% | 1.5% | 75.4% | 67.3% | 75.0% | 8/8 | 1:23 |
9‑Sep‑1991 | Geneva | Clay | SF | 53 | 456 | Muster d. (WC)Andrei Medvedev [UKR] | 7-6(3) 7-6(5) | | 1.22 | 0.0% | 0.0% | 87.5% | 67.1% | 70.0% | 1/2 | 1:58 |
9‑Sep‑1991 | Geneva | Clay | QF | 53 | 9 | Muster d. (1)Sergi Bruguera [ESP] | 4-6 6-4 6-4 | | 0.91 | 1.0% | 0.0% | 69.5% | 54.8% | 50.0% | 7/13 | 2:21 |
9‑Sep‑1991 | Geneva | Clay | R16 | 53 | 31 | Muster d. (7)Guillermo Perez Roldan [ARG] | 4-6 6-1 6-2 | | 1.42 | 2.6% | 3.9% | 68.4% | 71.2% | 54.2% | 3/5 | 1:49 |
9‑Sep‑1991 | Geneva | Clay | R32 | 53 | 59 | Muster d. Marian Vajda [SVK] | 6-3 7-5 | | 1.35 | 3.2% | 3.2% | 58.7% | 73.0% | 50.0% | 5/7 | 1:16 |
2‑Sep‑1991 | Venice CH | Clay | SF | 46 | 128 | Carlos Costa [ESP] d. (3)Muster | 6-4 7-6 | | | | | | | | | |
2‑Sep‑1991 | Venice CH | Clay | QF | 46 | 146 | (3)Muster d. Claudio Mezzadri [SUI] | 6-4 6-3 | | | | | | | | | |
2‑Sep‑1991 | Venice CH | Clay | R16 | 46 | 162 | (3)Muster d. (WC)Massimo Cierro [ITA] | 6-3 6-2 | | | | | | | | | |
2‑Sep‑1991 | Venice CH | Clay | R32 | 46 | 173 | (3)Muster d. Juan Aguilera [ESP] | 6-4 6-4 | | | | | | | | | |
5‑Aug‑1991 | Prague | Clay | SF | 59 | 11 | (2)Karel Novacek [CZE] d. Muster | 6-1 2-6 7-5 | | 0.96 | 0.0% | 1.0% | 77.7% | 57.5% | 56.5% | 12/16 | 2:10 |
5‑Aug‑1991 | Prague | Clay | QF | 59 | 68 | 6-3 6-0 | | 2.01 | 0.0% | 2.1% | 76.6% | 69.4% | 72.7% | 4/4 | 1:00 |
5‑Aug‑1991 | Prague | Clay | R16 | 59 | 41 | Muster d. (5)Jordi Arrese [ESP] | 6-2 6-3 | | 1.58 | 0.0% | 3.4% | 84.5% | 69.4% | 66.7% | 5/6 | 1:34 |
5‑Aug‑1991 | Prague | Clay | R32 | 59 | 103 | Muster d. Diego Nargiso [ITA] | 6-4 6-2 | | 1.41 | 1.6% | 1.6% | 67.7% | 64.3% | 70.0% | 5/6 | 1:18 |
29‑Jul‑1991 | Kitzbuhel | Clay | R16 | 58 | 10 | (4)Magnus Gustafsson [SWE] d. (14)Muster | 7-5 2-6 6-3 | | 0.96 | 0.0% | 0.9% | 77.9% | 55.7% | 52.0% | 7/12 | 2:09 |
29‑Jul‑1991 | Kitzbuhel | Clay | R32 | 58 | 152 | (14)Muster d. Johan Anderson [AUS] | 6-3 6-1 | | 1.56 | 2.2% | 6.5% | 39.1% | 66.7% | 67.9% | 2/3 | 1:16 |
22‑Jul‑1991 | Hilversum | Clay | QF | 66 | 35 | Jordi Arrese [ESP] d. (WC)Muster | 6-4 6-1 | | 0.75 | 4.3% | 2.2% | 54.3% | 40.0% | 47.6% | 0/5 | 1:19 |
22‑Jul‑1991 | Hilversum | Clay | R16 | 66 | 82 | (WC)Muster d. Tomas Carbonell [ESP] | 6-7(5) 6-1 6-1 | | 1.73 | 8.9% | 1.3% | 57.0% | 82.2% | 64.7% | 2/2 | 1:40 |
22‑Jul‑1991 | Hilversum | Clay | R32 | 66 | 17 | (WC)Muster d. (3)Andrei Cherkasov [RUS] | 6-3 6-3 | | 1.39 | 5.1% | 11.9% | 62.7% | 67.6% | 54.5% | 1/3 | 1:29 |
15‑Jul‑1991 | Stuttgart Outdoor | Clay | R64 | 66 | 49 | Francisco Clavet [ESP] d. Muster | 6-1 6-3 | | 0.59 | 0.0% | 2.1% | 70.8% | 47.1% | 42.9% | 3/8 | 1:05 |
24‑Jun‑1991 | Salzburg CH | Clay | R16 | 72 | 170 | Bruno Oresar [CRO] d. (1)Muster | 3-6 6-4 6-4 | | | | | | | | | |
24‑Jun‑1991 | Salzburg CH | Clay | R32 | 72 | 145 | (1)Muster d. Slava Dosedel [CZE] | 6-3 7-6 | | | | | | | | | |
17‑Jun‑1991 | Genova | Clay | SF | 83 | 75 | (7)Carl Uwe Steeb [GER] d. Muster | 7-5 6-4 | | 0.93 | 0.0% | 0.0% | 81.7% | 55.3% | 29.4% | 6/12 | 1:50 |
17‑Jun‑1991 | Genova | Clay | QF | 83 | 92 | Muster d. Cedric Pioline [FRA] | 4-6 7-6(3) 6-2 | | 1.11 | 0.0% | 3.1% | 78.5% | 62.7% | 39.3% | 11/16 | 2:49 |
17‑Jun‑1991 | Genova | Clay | R16 | 83 | 98 | Muster d. Stefano Pescosolido [ITA] | 6-4 6-3 | | 1.41 | 5.6% | 0.0% | 79.6% | 74.4% | 63.6% | 3/3 | 1:20 |
17‑Jun‑1991 | Genova | Clay | R32 | 83 | 90 | Muster d. Thierry Champion [FRA] | 4-6 6-0 6-3 | | 1.42 | 0.0% | 2.5% | 78.8% | 65.1% | 58.8% | 5/8 | 1:52 |
10‑Jun‑1991 | Florence | Clay | F | 116 | 24 | Muster d. (1)Horst Skoff [AUT] | 6-2 6-7(2) 6-4 | | 1.22 | 2.2% | 2.2% | 64.1% | 69.5% | 60.6% | 7/9 | 2:30 |
10‑Jun‑1991 | Florence | Clay | SF | 116 | 176 | Muster d. (Q)Carlos Costa [ESP] | 6-7(4) 6-1 6-3 | | 1.33 | 0.0% | 2.2% | 71.7% | 69.7% | 46.2% | 6/9 | 2:10 |
10‑Jun‑1991 | Florence | Clay | QF | 116 | 44 | Muster d. (8)Fabrice Santoro [FRA] | 6-7(4) 6-1 6-1 | | 1.30 | 0.9% | 0.9% | 78.5% | 66.7% | 52.2% | 11/11 | 2:19 |
10‑Jun‑1991 | Florence | Clay | R16 | 116 | 104 | Muster d. Thierry Champion [FRA] | 4-6 6-3 6-2 | | 1.12 | 2.4% | 2.4% | 68.2% | 63.8% | 37.0% | 7/12 | 2:20 |
10‑Jun‑1991 | Florence | Clay | R32 | 116 | 118 | Muster d. Pedro Rebolledo [CHI] | 1-6 6-4 6-0 | | 1.20 | 0.0% | 2.6% | 71.4% | 61.8% | 45.5% | 4/9 | 1:40 |
27‑May‑1991 | Roland Garros | Clay | R128 | 57 | 6 | (6)Pete Sampras [USA] d. Muster | 4-6 4-6 6-4 6-1 6-4 | | | | | | | | | |
20‑May‑1991 | Bologna | Clay | QF | 64 | 224 | (WC)Paolo Cane [ITA] d. (3)Muster | 7-6(2) 7-5 | | 0.88 | 0.0% | 0.0% | 86.3% | 58.0% | 63.6% | 3/6 | 2:05 |
20‑May‑1991 | Bologna | Clay | R16 | 64 | 99 | (3)Muster d. Shuzo Matsuoka [JPN] | 7-6(6) 1-6 6-3 | | 0.97 | 0.0% | 1.0% | 74.7% | 64.9% | 44.0% | 5/9 | 2:30 |
20‑May‑1991 | Bologna | Clay | R32 | 64 | 112 | (3)Muster d. Christian Saceanu [GER] | 6-4 6-4 | | 1.41 | 3.9% | 3.9% | 70.6% | 80.6% | 60.0% | 1/2 | 1:01 |
13‑May‑1991 | Rome Masters | Clay | R16 | 34 | 23 | Goran Prpic [CRO] d. Muster | 3-6 6-3 6-2 | | 0.92 | 0.0% | 1.3% | 84.4% | 50.8% | 50.0% | 5/11 | 1:50 |
13‑May‑1991 | Rome Masters | Clay | R32 | 34 | 56 | Muster d. Paul Haarhuis [NED] | 6-4 6-2 | | 1.42 | 0.0% | 3.5% | 64.9% | 70.3% | 50.0% | 4/6 | 1:32 |
13‑May‑1991 | Rome Masters | Clay | R64 | 34 | 45 | Muster d. Amos Mansdorf [ISR] | 6-4 6-2 | | 1.33 | 3.6% | 1.8% | 69.6% | 69.2% | 29.4% | 1/4 | 1:17 |
6‑May‑1991 | Hamburg Masters | Clay | R64 | 33 | 27 | Horst Skoff [AUT] d. Muster | 7-5 6-2 | | 0.69 | 0.0% | 4.0% | 82.7% | 54.8% | 15.4% | 10/15 | 1:34 |
29‑Apr‑1991 | Munich | Clay | R32 | 26 | 49 | Christian Bergstrom [SWE] d. (5)Muster | 6-1 2-6 6-3 | | 0.96 | 1.2% | 2.4% | 75.6% | 51.6% | 50.0% | 5/11 | 2:40 |
22‑Apr‑1991 | Monte Carlo Masters | Clay | R64 | 16 | 81 | (Q)Veli Paloheimo [FIN] d. (11)Muster | 6-7(7) 6-2 6-1 | | 0.83 | 0.0% | 2.1% | 79.8% | 38.7% | 52.6% | 4/14 | 2:11 |
4‑Mar‑1991 | Indian Wells Masters | Hard | R32 | 9 | 65 | Scott Davis [USA] d. (6)Muster | 6-3 6-2 | | 0.71 | 9.5% | 4.8% | 59.5% | 64.0% | 41.2% | 2/5 | 1:03 |
25‑Feb‑1991 | Rotterdam | Carpet | R32 | 9 | 67 | Alex Antonitsch [AUT] d. (2)Muster | 2-6 7-5 6-2 | | 0.82 | 1.1% | 1.1% | 75.3% | 60.0% | 60.9% | 6/9 | 1:40 |
18‑Feb‑1991 | Stuttgart Indoor | Carpet | R32 | 9 | 28 | Sergi Bruguera [ESP] d. (4)Muster | 6-2 6-3 | | 0.63 | 0.0% | 6.1% | 60.6% | 60.0% | 42.3% | 5/8 | 1:09 |