20‑Oct‑2003 | Basel | Carpet | R32 | 172 | 158 | (LL)Tomas Zib [CZE] d. (WC)Wawrinka | 7-6(0) 7-6(5) | | 1.04 | 17.6% | 5.9% | 57.4% | 71.8% | 58.6% | 4/7 | 1:28 |
29‑Sep‑2003 | Groningen CH | Hard | R32 | 171 | 146 | (5)Gilles Elseneer [BEL] d. Wawrinka | 6-4 5-7 7-5 | | | | | | | | | |
25‑Aug‑2003 | Brindisi CH | Clay | QF | 175 | 289 | (WC)Stefano Cobolli [ITA] d. Wawrinka | 4-6 6-3 6-3 | | | | | | | | | |
25‑Aug‑2003 | Brindisi CH | Clay | R16 | 175 | 256 | Wawrinka d. Leonardo Azzaro [ITA] | 6-3 6-2 | | | | | | | | | |
25‑Aug‑2003 | Brindisi CH | Clay | R32 | 175 | 168 | Wawrinka d. (4)Marc Lopez [ESP] | 2-6 4-1 RET | | | | | | | | | |
18‑Aug‑2003 | Geneva CH | Clay | F | 215 | 1211 | Wawrinka d. (WC)Emilio Benfele Alvarez [ESP] | 6-1 7-5 | | | | | | | | | |
18‑Aug‑2003 | Geneva CH | Clay | SF | 215 | 174 | Wawrinka d. (6)Marc Lopez [ESP] | 2-6 6-4 6-3 | | | | | | | | | |
18‑Aug‑2003 | Geneva CH | Clay | QF | 215 | 316 | Wawrinka d. Gorka Fraile [ESP] | 6-2 6-3 | | | | | | | | | |
18‑Aug‑2003 | Geneva CH | Clay | R16 | 215 | 406 | Wawrinka d. (Q)Ivo Minar [CZE] | 6-2 7-5 | | | | | | | | | |
18‑Aug‑2003 | Geneva CH | Clay | R32 | 215 | 234 | Wawrinka d. Yuri Schukin [KAZ] | 6-2 6-2 | | | | | | | | | |
11‑Aug‑2003 | San Benedetto CH | Clay | F | 284 | 215 | Wawrinka d. Salvador Navarro [ESP] | 6-1 4-6 6-4 | | | | | | | | | |
11‑Aug‑2003 | San Benedetto CH | Clay | SF | 284 | 125 | Wawrinka d. (2)Martin Vassallo Arguello [ARG] | 2-6 7-5 7-5 | | | | | | | | | |
11‑Aug‑2003 | San Benedetto CH | Clay | QF | 284 | 210 | Wawrinka d. Oscar Serrano [ESP] | 6-4 6-1 | | | | | | | | | |
11‑Aug‑2003 | San Benedetto CH | Clay | R16 | 284 | 157 | Wawrinka d. (4)Alex Calatrava [ESP] | 6-4 7-6(5) | | | | | | | | | |
11‑Aug‑2003 | San Benedetto CH | Clay | R32 | 284 | 302 | Wawrinka d. Jerome Haehnel [FRA] | 6-0 6-4 | | | | | | | | | |
21‑Jul‑2003 | Umag | Clay | R16 | 303 | 53 | (7)Filippo Volandri [ITA] d. (WC)Wawrinka | 6-4 6-3 | | 0.74 | 3.2% | 6.3% | 55.6% | 60.0% | 39.3% | 5/9 | 1:16 |
21‑Jul‑2003 | Umag | Clay | R32 | 303 | 247 | (WC)Wawrinka d. (Q)Roko Karanusic [CRO] | 6-4 6-4 | | 1.14 | 4.9% | 2.4% | 64.6% | 67.9% | 55.2% | 10/11 | 1:21 |
14‑Jul‑2003 | Amersfoort | Clay | R16 | 348 | 72 | (6)Raemon Sluiter [NED] d. (Q)Wawrinka | 6-1 6-4 | | 0.71 | 1.9% | 0.0% | 72.2% | 51.3% | 46.7% | 3/7 | 1:55 |
14‑Jul‑2003 | Amersfoort | Clay | R32 | 348 | 304 | (Q)Wawrinka d. (Q)Hugo Armando [USA] | 6-4 6-4 | | 1.13 | 6.9% | 4.2% | 68.1% | 79.6% | 39.1% | 5/5 | 1:18 |
7‑Jul‑2003 | Gstaad | Clay | R32 | 363 | 99 | Jean Rene Lisnard [MON] d. (WC)Wawrinka | 2-6 6-1 7-5 | | 0.96 | 0.0% | 7.5% | 65.0% | 67.3% | 42.9% | 4/8 | 1:58 |
16‑Jun‑2003 | Lugano CH | Clay | R16 | 387 | 424 | (Q)Andreas Seppi [ITA] d. (WC)Wawrinka | 6-3 7-5 | | | | | | | | | |
16‑Jun‑2003 | Lugano CH | Clay | R32 | 387 | 378 | (WC)Wawrinka d. (LL)Filip Prpic [SWE] | 6-2 6-3 | | | | | | | | | |
12‑May‑2003 | Italy F7 | Clay | SF | 387 | 473 | Matteo Colla [ITA] d. Wawrinka | 6-3 6-1 | | | | | | | | | |
12‑May‑2003 | Italy F7 | Clay | QF | 387 | 388 | Wawrinka d. Radim Zitko [CZE] | 6-4 6-1 | | | | | | | | | |
12‑May‑2003 | Italy F7 | Clay | R16 | 387 | 790 | Wawrinka d. (LL)Marc Steger [FRA] | 3-6 6-3 7-6(10) | | | | | | | | | |
12‑May‑2003 | Italy F7 | Clay | R32 | 387 | 682 | Wawrinka d. (Q)Giancarlo Petrazzuolo [ITA] | 6-0 7-5 | | | | | | | | | |
5‑May‑2003 | Germany F3 | Clay | R16 | 387 | 435 | Michael Berrer [GER] d. (8)Wawrinka | 4-6 6-1 6-3 | | | | | | | | | |
5‑May‑2003 | Germany F3 | Clay | R32 | 387 | 461 | (8)Wawrinka d. Benjamin Kohlloeffel [GER] | 6-3 2-6 6-4 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 1 | Clay | F | 643 | 418 | (1)Wawrinka d. Juan Albert Viloca Puig [ESP] | 6-4 6-0 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 2 | Clay | F | 643 | 488 | (4)Wawrinka d. (8)Raul Morant [ESP] | 6-3 6-4 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 1 | Clay | SF | 643 | 564 | (1)Wawrinka d. (4)Carlos Cuadrado [ESP] | 6-3 5-7 6-3 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 2 | Clay | SF | 643 | 881 | (4)Wawrinka d. Teymuraz Gabashvili [RUS] | 2-6 6-4 7-6(2) | | | | | | | | | |
3‑Mar‑2003 | Spain 2 3 | Clay | SF | 643 | 564 | Carlos Cuadrado [ESP] d. (SE)Wawrinka | 6-4 4-6 6-4 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 1 | Clay | QF | 643 | 1277 | (1)Wawrinka d. Bartolome Salva Vidal [ESP] | 6-3 6-2 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 2 | Clay | QF | 643 | 422 | (4)Wawrinka d. Gabriel Trujillo Soler [ESP] | 6-7(7) 6-2 6-3 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 3 | Clay | QF | 643 | 1093 | (SE)Wawrinka d. (Q)Martin Vilarrubi [URU] | 6-1 6-3 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 4 | Clay | QF | 643 | 307 | (2)Marc Fornell Mestres [ESP] d. (SE)Wawrinka | 6-4 6-2 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 1 | Clay | R16 | 643 | 1093 | (1)Wawrinka d. Martin Vilarrubi [URU] | 6-2 6-2 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 2 | Clay | R16 | 643 | 517 | (4)Wawrinka d. (Q)Kentaro Masuda [JPN] | 6-3 6-2 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 3 | Clay | R16 | 643 | 422 | (SE)Wawrinka d. (5)Gabriel Trujillo Soler [ESP] | 6-4 6-7(5) 6-4 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 4 | Clay | R16 | 643 | 679 | (SE)Wawrinka d. (Q)Daniel Lencina Ribes [LTU] | 7-6(5) 7-6(5) | | | | | | | | | |
3‑Mar‑2003 | Spain 2 2 | Clay | R32 | 643 | 958 | (4)Wawrinka d. (Q)Javier Genaro Martinez [ESP] | 7-6(4) 6-4 | | | | | | | | | |
3‑Mar‑2003 | Spain 2 3 | Clay | R32 | 643 | 612 | (SE)Wawrinka d. Carlos Rexach Itoiz [ESP] | 2-6 6-0 7-6(2) | | | | | | | | | |
3‑Mar‑2003 | Spain 2 4 | Clay | R32 | 643 | 403 | (SE)Wawrinka d. (5)Miguel Angel Lopez Jaen [ESP] | 6-1 7-5 | | | | | | | | | |
24‑Feb‑2003 | Spain F4 | Clay | F | 645 | 594 | (Q)Ivan Navarro [ESP] d. (Q)Wawrinka | 6-7(5) 6-4 6-0 | | | | | | | | | |
24‑Feb‑2003 | Spain F4 | Clay | SF | 645 | 527 | (Q)Wawrinka d. (Q)Nicolas Almagro [ESP] | 6-4 6-3 | | | | | | | | | |
24‑Feb‑2003 | Spain F4 | Clay | QF | 645 | 912 | (Q)Wawrinka d. (Q)Alberto Soriano [ESP] | 6-7(4) 7-5 7-6(4) | | | | | | | | | |
24‑Feb‑2003 | Spain F4 | Clay | R16 | 645 | 289 | (Q)Wawrinka d. (4)Santiago Ventura [ESP] | 6-1 6-7(11) 6-4 | | | | | | | | | |
24‑Feb‑2003 | Spain F4 | Clay | R32 | 645 | 488 | (Q)Wawrinka d. Ivan Esquerdo [ESP] | 4-6 6-4 6-1 | | | | | | | | | |
13‑Jan‑2003 | France F2 | Clay | R16 | 662 | 409 | Juan Albert Viloca Puig [ESP] d. (Q)Wawrinka | 6-2 6-4 | | | | | | | | | |
13‑Jan‑2003 | France F2 | Clay | R32 | 662 | 1331 | (Q)Wawrinka d. (WC)Gilles Simon [FRA] | 6-4 6-4 | | | | | | | | | |
6‑Jan‑2003 | France F1 | Clay | R32 | 662 | 273 | (3)Nicolas Mahut [FRA] d. (Q)Wawrinka | 7-6(5) 6-4 | | | | | | | | | |