| 2003 Results | |||
| adidas International | |||
| Rd | Opponent | W/L | Score |
| 1 | Hyung-Taik Lee | L | 2-6, 0-6 |
| Australian Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Julien Benneteau | W | 6-0, 6-4, 6-0 |
| 2 | David Sanchez | W | 6-1, 6-0, 2-6, 6-2 |
| 3 | Sebastien Grosjean | L | 1-6, 3-6, 3-6 |
| Copa AT&T | |||
| Rd | Opponent | W/L | Score |
| 1 | Andrea Gaudenzi | W | 6-4, 6-1 |
| 2 | Luis Horna | L | 3-6, 4-6 |
| Mexican Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Luis Horna | L | 2-6, 1-6 |
| Pacific Life Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Agustin Calleri | L | 4-6, 3-6 |
| NASDAQ-100 Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Karol Beck | W | 4-6, 6-4, 7-6 (7-4) |
| 2 | Jiri Novak | W | 2-6, 6-3, 6-4 |
| 3 | Wayne Ferreira | W | 6-4, 6-2 |
| 4 | Younes El Aynaoui | L | 0-6, 6-7 (7-9) |
| Tennis Masters Monte Carlo | |||
| Rd | Opponent | W/L | Score |
| 1 | Magnus Norman | L | 3-6, 3-6 |
| Open Seat Godo | |||
| Rd | Opponent | W/L | Score |
| 1 | Younes El Aynaoui | L | 3-6, 6-2, 6-7 (5-7) |
| BMW Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Tim Henman | L | 5-7, 6-4, 1-6 |
| Tennis Masters Hamburg | |||
| Rd | Opponent | W/L | Score |
| 1 | Arnaud Clement | L | 4-6, 2-6 |
| French Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Richard Gasquet | W | 6-3, 7-6 (7-4), 3-0, retired |
| 2 | Franco Squillari | W | 4-6, 6-1, 6-4, 6-3 |
| 3 | Albert Costa | L | 6-4, 6-4, 3-6, 4-6, 4-6 |
| The Wimbledon Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Kenneth Carlsen | W | 6-3, 6-4, 3-6, 6-4 |
| 2 | Sjeng Schalken | L | 2-6, 6-3, 7-6 (7-3), 6-7 (4-7), 3-6 |
| Synsam Swedish Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Luis Horna | W | 6-4, 7-5 |
| 2 | Adrian Voinea | W | 6-4, 7-6 (7-5) |
| QF | Rafael Nadal | W | 3-6, 6-3, 7-6 (8-6) |
| SF | Tommy Robredo | W | 6-4, 6-2 |
| F | Mariano Zabaleta | L | 3-6, 4-6 |
| Mercedes Cup | |||
| Rd | Opponent | W/L | Score |
| 1 | Stefan Koubek | W | 6-4, 6-2 |
| 2 | Mikhail Youzhny | L | 3-6, 6-2, 3-6 |
| Generali Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Wayne Arthurs | W | 7-6 (10-8), 6-3 |
| 2 | Mikhail Youzhny | W | 6-3, 6-3 |
| 3 | Nikolay Davydenko | W | 6-3, 6-1 |
| QF | Nicolas Massu | L | 5-7, 4-6 |
| Tennis Masters Canada | |||
| Rd | Opponent | W/L | Score |
| 1 | Greg Rusedski | L | 5-7, 3-6 |
| Western & Southern Financial Group Masters | |||
| Rd | Opponent | W/L | Score |
| 1 | Ivan Ljubicic | L | 6-3, 5-7, 3-6 |
| U.S. Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Karol Beck | W | 4-6, 6-3, 7-5, 3-6, 6-4 |
| 2 | Flavio Saretta | L | 2-6, 4-6, 0-6 |
| Grand Prix de Tennis de Lyon | |||
| Rd | Opponent | W/L | Score |
| 1 | Ivan Ljubicic | L | 2-6, 6-7 (3-7) |
| Davidoff Swiss Indoors | |||
| Rd | Opponent | W/L | Score |
| 1 | Ivo Heuberger | W | 6-3, 4-6, 7-5 |
| 2 | Tomas Behrend | W | 7-6 (7-2), 6-1 |
| QF | Ivan Ljubicic | L | 6-2, 2-6, 3-6 |
| BNP Paribas Masters | |||
| Rd | Opponent | W/L | Score |
| 2 | Jonas Bjorkman | L | 4-6, 1-6 |