22‑Sep‑2003 | Bangkok | Hard | QF | 123 | 54 | (8)Taylor Dent [USA] d. Thomann | 6-3 RET | | 0.63 | 3.2% | 22.6% | 35.5% | 72.7% | 30.0% | 0/3 | 0:36 |
22‑Sep‑2003 | Bangkok | Hard | R16 | 123 | 557 | Thomann d. (Q)Jonathan Erlich [ISR] | 6-4 6-0 | | 1.64 | 8.9% | 1.8% | 67.9% | 73.7% | 50.0% | 1/2 | 1:10 |
22‑Sep‑2003 | Bangkok | Hard | R32 | 123 | 333 | Thomann d. (WC)Prakash Amritraj [IND] | 5-7 6-3 6-3 | | 1.16 | 11.3% | 2.1% | 50.5% | 83.7% | 56.3% | 9/10 | 1:57 |
15‑Sep‑2003 | St. Jean De Luz CH | Hard | R32 | 109 | 147 | Julien Varlet [FRA] d. (7)Thomann | 6-4 6-3 | | | | | | | | | |
25‑Aug‑2003 | US Open | Hard | Q1 | 108 | 151 | Paul Baccanello [AUS] d. (4)Thomann | 7-6(4) 6-4 | | | | | | | | | |
11‑Aug‑2003 | Bronx CH | Hard | R16 | 106 | 155 | Paul Goldstein [USA] d. (6)Thomann | 6-1 6-2 | | | | | | | | | |
11‑Aug‑2003 | Bronx CH | Hard | R32 | 106 | 282 | (6)Thomann d. (Q)Amir Hadad [ISR] | 6-4 6-4 | | | | | | | | | |
4‑Aug‑2003 | Binghamton CH | Hard | F | 119 | 148 | (8)Ivo Karlovic [CRO] d. (2)Thomann | 7-6(6) 6-7(6) 7-6(4) | | | | | | | | | |
4‑Aug‑2003 | Binghamton CH | Hard | SF | 119 | 181 | (2)Thomann d. Arvind Parmar [GBR] | 6-4 7-6(3) | | | | | | | | | |
4‑Aug‑2003 | Binghamton CH | Hard | QF | 119 | 247 | (2)Thomann d. Florent Serra [FRA] | 7-6(6) 6-2 | | | | | | | | | |
4‑Aug‑2003 | Binghamton CH | Hard | R16 | 119 | 191 | (2)Thomann d. Rik De Voest [RSA] | 6-4 6-2 | | | | | | | | | |
4‑Aug‑2003 | Binghamton CH | Hard | R32 | 119 | 507 | (2)Thomann d. (Q)Phillip King [USA] | 6-4 6-2 | | | | | | | | | |
28‑Jul‑2003 | Los Angeles | Hard | R32 | 121 | 75 | Nicolas Kiefer [GER] d. Thomann | 6-1 6-4 | | 0.56 | 6.1% | 10.6% | 51.5% | 64.7% | 37.5% | 11/14 | 1:28 |
21‑Jul‑2003 | Indianapolis | Hard | SF | 169 | 11 | (2)Paradorn Srichaphan [THA] d. Thomann | 4-6 7-6(5) 6-3 | | 0.83 | 5.6% | 4.7% | 49.5% | 77.4% | 50.0% | 7/10 | 2:17 |
21‑Jul‑2003 | Indianapolis | Hard | QF | 169 | 76 | Thomann d. (14)Nicolas Kiefer [GER] | 7-6(2) 7-5 | | 1.26 | 17.1% | 8.6% | 48.6% | 85.3% | 61.1% | 1/2 | 1:53 |
21‑Jul‑2003 | Indianapolis | Hard | R16 | 169 | 117 | Thomann d. Wesley Moodie [RSA] | 6-3 6-4 | | 1.56 | 5.6% | 5.6% | 57.4% | 90.3% | 52.2% | 2/3 | 1:15 |
21‑Jul‑2003 | Indianapolis | Hard | R32 | 169 | 62 | Thomann d. (8)Hyung Taik Lee [KOR] | 6-4 7-5 | | 1.92 | 8.8% | 3.5% | 68.4% | 87.2% | 66.7% | 1/1 | 1:26 |
21‑Jul‑2003 | Indianapolis | Hard | R64 | 169 | 1223 | Thomann d. (Q)Diego Ayala [USA] | 6-4 6-4 | | 2.60 | 8.5% | 0.0% | 46.8% | 90.9% | 80.0% | 0/0 | 1:10 |
14‑Jul‑2003 | Aptos CH | Hard | R32 | 160 | 213 | Dmitry Tursunov [RUS] d. (7)Thomann | 6-4 6-7(5) 6-4 | | | | | | | | | |
7‑Jul‑2003 | Newport | Grass | R32 | 140 | 96 | (8)Jurgen Melzer [AUT] d. Thomann | 6-3 6-7(3) 6-4 | | 0.88 | 5.1% | 7.1% | 56.1% | 65.5% | 46.5% | 3/8 | 2:04 |
23‑Jun‑2003 | Wimbledon | Grass | Q1 | 123 | 253 | Petr Luxa [CZE] d. (5)Thomann | 3-6 7-6(6) 6-4 | | | | | | | | | |
9‑Jun‑2003 | Biella CH | Clay | R32 | 120 | 156 | Robin Soderling [SWE] d. Thomann | 7-6(6) 6-7(4) 6-4 | | | | | | | | | |
2‑Jun‑2003 | Furth CH | Clay | R16 | 121 | 325 | (Q)Jan Frode Andersen [NOR] d. (5)Thomann | 7-6(3) 7-6(4) | | | | | | | | | |
2‑Jun‑2003 | Furth CH | Clay | R32 | 121 | 200 | (5)Thomann d. Lovro Zovko [CRO] | 7-5 7-5 | | | | | | | | | |
26‑May‑2003 | Turin CH | Clay | R16 | 121 | 315 | (Q)Alessio Di Mauro [ITA] d. (1)Thomann | 7-6(6) 6-4 | | | | | | | | | |
26‑May‑2003 | Turin CH | Clay | R32 | 121 | | (1)Thomann d. (WC)Nicolo Vercellino [ITA] | 6-4 6-1 | | | | | | | | | |
26‑May‑2003 | Roland Garros | Clay | Q1 | 121 | 169 | Bjorn Rehnquist [SWE] d. (12)Thomann | 4-6 6-3 6-3 | | | | | | | | | |
12‑May‑2003 | Forest Hills CH | Clay | R32 | 119 | 222 | Kevin Kim [USA] d. (6)Thomann | 6-3 6-1 | | | | | | | | | |
5‑May‑2003 | Birmingham CH | Clay | R16 | 125 | 158 | Federico Browne [ARG] d. (4)Thomann | 6-7(2) 6-4 6-2 | | | | | | | | | |
5‑May‑2003 | Birmingham CH | Clay | R32 | 125 | 239 | (4)Thomann d. Jose De Armas [VEN] | 7-6(5) 6-4 | | | | | | | | | |
28‑Apr‑2003 | Aix En Provence CH | Clay | R32 | 125 | 107 | Fernando Meligeni [BRA] d. Thomann | 6-4 6-4 | | | | | | | | | |
14‑Apr‑2003 | San Luis Potosi CH | Clay | R32 | 119 | 450 | (Q)Alejandro Falla [COL] d. (2)Thomann | 6-4 6-2 | | | | | | | | | |
7‑Apr‑2003 | Calabasas CH | Hard | SF | 125 | 180 | Jerome Golmard [FRA] d. (6)Thomann | 6-1 1-0 RET | | | | | | | | | |
7‑Apr‑2003 | Calabasas CH | Hard | QF | 125 | 414 | (6)Thomann d. (Q)Glenn Weiner [USA] | 6-4 7-6(5) | | | | | | | | | |
7‑Apr‑2003 | Calabasas CH | Hard | R16 | 125 | 139 | (6)Thomann d. Noam Okun [ISR] | 7-6(0) 6-3 | | | | | | | | | |
7‑Apr‑2003 | Calabasas CH | Hard | R32 | 125 | | (6)Thomann d. (WC)Gary Sacks [RSA] | 6-2 6-4 | | | | | | | | | |
10‑Mar‑2003 | Sarajevo CH | Hard | SF | 130 | 128 | (1)Dick Norman [BEL] d. (5)Thomann | 7-6(5) 6-4 | | | | | | | | | |
10‑Mar‑2003 | Sarajevo CH | Hard | QF | 130 | 129 | (5)Thomann d. (4)Igor Kunitsyn [RUS] | 7-5 1-6 6-3 | | | | | | | | | |
10‑Mar‑2003 | Sarajevo CH | Hard | R16 | 130 | 383 | (5)Thomann d. (Q)Peter Wessels [NED] | 6-1 6-4 | | | | | | | | | |
10‑Mar‑2003 | Sarajevo CH | Hard | R32 | 130 | 207 | (5)Thomann d. Ivo Karlovic [CRO] | 7-5 6-4 | | | | | | | | | |
3‑Mar‑2003 | Besancon CH | Hard | R32 | 131 | 129 | Richard Gasquet [FRA] d. Thomann | 6-3 6-4 | | | | | | | | | |
24‑Feb‑2003 | Cherbourg CH | Hard | R16 | 130 | 178 | Gilles Elseneer [BEL] d. Thomann | 7-6(1) 6-1 | | | | | | | | | |
24‑Feb‑2003 | Cherbourg CH | Hard | R32 | 130 | 162 | Thomann d. Jean Francois Bachelot [FRA] | 6-3 6-2 | | | | | | | | | |
17‑Feb‑2003 | Andrezieux CH | Hard | R32 | 131 | 113 | (6)Kristof Vliegen [BEL] d. Thomann | 5-3 RET | | | | | | | | | |
10‑Feb‑2003 | Lubeck CH | Carpet | R32 | 136 | 262 | (LL)Jens Knippschild [GER] d. (6)Thomann | 6-4 6-7(3) 6-3 | | | | | | | | | |
3‑Feb‑2003 | Wroclaw CH | Hard | R16 | 134 | 79 | (3)Sargis Sargsian [ARM] d. Thomann | 4-6 6-3 6-4 | | | | | | | | | |
3‑Feb‑2003 | Wroclaw CH | Hard | R32 | 134 | 413 | Thomann d. (Q)Martin Stepanek [CZE] | 3-6 4-1 RET | | | | | | | | | |
20‑Jan‑2003 | Heilbronn CH | Carpet | R32 | 132 | 152 | (Q)Michael Russell [USA] d. Thomann | 6-7(7) 6-4 6-2 | | | | | | | | | |
13‑Jan‑2003 | Australian Open | Hard | Q3 | 132 | 213 | David Prinosil [GER] d. (9)Thomann | 1-6 6-3 11-9 | | | | | | | | | |
13‑Jan‑2003 | Australian Open | Hard | Q2 | 132 | 237 | (9)Thomann d. Eric Prodon [FRA] | 7-5 6-4 | | | | | | | | | |
13‑Jan‑2003 | Australian Open | Hard | Q1 | 132 | 905 | (9)Thomann d. Robert Smeets [AUS] | 6-3 6-1 | | | | | | | | | |