| 2003 Results | |||
| Heineken Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Robert Kendrick | W | 6-2, 6-3 |
| 2 | Robby Ginepri | W | 1-6, 7-6 (8-6), 6-3 |
| QF | Felix Mantilla | L | 7-6 (7-5), 2-6, 6-7 (3-7) |
| Australian Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Vincent Spadea | W | 6-2, 2-6, 6-2, 7-6 (7-3) |
| 2 | Olivier Rochus | W | 7-6 (7-3), 7-6 (7-5), 4-6, 4-6, 6-3 |
| 3 | Mikhail Youzhny | L | 1-6, 6-3, 3-6, 2-6 |
| Milan Indoors | |||
| Rd | Opponent | W/L | Score |
| 1 | Radek Stepanek | L | 4-6, 3-6 |
| Davis Cup | |||
| Rd | Opponent | W/L | Score |
| 1 | Yevgeny Kafelnikov | W | 6-2, 6-3, 7-6 (7-5) |
| 1 | Nikolay Davydenko | W | 6-4, 4-6, 6-1, 6-1 |
| Open 13 | |||
| Rd | Opponent | W/L | Score |
| 1 | Nicolas Escude | L | 2-6, 1-6 |
| The Dubai Tennis Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Dominik Hrbaty | W | 6-1, 3-6, 6-3 |
| 2 | Andrei Stoliarov | W | 6-1, 6-1 |
| QF | Sjeng Schalken | W | 6-4, 6-4 |
| SF | Tommy Robredo | W | 6-4, 6-1 |
| F | Roger Federer | L | 1-6, 6-7 (2-7) |
| Pacific Life Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Karol Beck | W | 6-4, 7-5 |
| 2 | Robby Ginepri | L | -walkover |
| NASDAQ-100 Open | |||
| Rd | Opponent | W/L | Score |
| 2 | Nicolas Lapentti | L | 6-2, 3-6, 4-6 |
| Estoril Open | |||
| Rd | Opponent | W/L | Score |
| 1 | John van Lottum | L | 7-6 (7-5), 4-6, 5-7 |
| Tennis Masters Monte Carlo | |||
| Rd | Opponent | W/L | Score |
| 1 | Stefan Koubek | W | 6-4, 6-4 |
| 2 | Juan Ignacio Chela | L | 4-6, 2-6 |
| Italia Masters | |||
| Rd | Opponent | W/L | Score |
| 1 | Wayne Arthurs | W | 6-3, 6-3 |
| 2 | Dominik Hrbaty | W | 6-1, 6-4 |
| 3 | Rainer Schuettler | L | 4-6, 6-7 (2-7) |
| Tennis Masters Hamburg | |||
| Rd | Opponent | W/L | Score |
| 1 | Mikhail Youzhny | L | 1-6, 4-6 |
| ARAG ATP World Team Championship | |||
| Rd | Opponent | W/L | Score |
| 1 | Lleyton Hewitt | L | 3-6, 2-6 |
| 1 | Carlos Moya | W | 4-6, 7-6 (7-5), 6-2 |
| 1 | James Blake | L | 5-7, 6-4, 3-6 |
| F | Fernando Gonzalez | L | 6-7 (4-7), 6-7 (5-7) |
| French Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Julien Benneteau | W | 6-2, 6-3, 6-2 |
| 2 | Marc Lopez | W | 6-4, 3-6, 0-6, 6-1, 6-3 |
| 3 | Ivan Ljubicic | W | 6-4, 7-5, 3-6, 6-2 |
| 4 | Carlos Moya | L | 5-7, 3-6, 2-6 |
| Gerry Weber Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Hendrik Dreekmann | W | 6-2, 6-4 |
| 2 | Stefan Koubek | W | 6-4, 6-3 |
| QF | Mikhail Youzhny | L | 4-6, 4-6 |
| Ordina Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Jurgen Melzer | W | 6-1, 6-3 |
| 2 | Olivier Mutis | W | 6-2, 6-4 |
| QF | Jan Vacek | L | 4-6, 4-6 |
| The Wimbledon Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Luis Horna | W | 3-6, 7-6 (7-1), 6-1, 6-1 |
| 2 | David Ferrer | W | 6-2, 7-5, 6-3 |
| 3 | Alexander Popp | L | 3-6, 4-6, 6-7 (3-7) |
| Allianz Suisse Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Sargis Sargsian | W | 6-3, 6-3 |
| 2 | Paul-Henri Mathieu | W | 1-6, 6-2, 6-3 |
| QF | Juan Ignacio Chela | W | 6-3, 6-3 |
| SF | Radek Stepanek | W | 7-5, 6-1 |
| F | Roger Federer | W | 5-7, 6-3, 6-3, 1-6, 6-3 |
| Mercedes Cup | |||
| Rd | Opponent | W/L | Score |
| 2 | Sargis Sargsian | W | 6-4, 6-4 |
| 3 | Mikhail Youzhny | L | 6-7 (1-7), 4-6 |
| Tennis Masters Canada | |||
| Rd | Opponent | W/L | Score |
| 1 | Mario Ancic | W | 7-5, 3-6, 6-3 |
| 2 | James Blake | W | 7-6 (7-5), 6-3 |
| 3 | Rainer Schuettler | L | 5-7, 0-6 |
| Western & Southern Financial Group Masters | |||
| Rd | Opponent | W/L | Score |
| 1 | Greg Rusedski | L | 6-2, 6-7 (3-7), 4-6 |
| U.S. Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Mario Ancic | W | 3-6, 6-3, 5-7, 6-2, 6-2 |
| 2 | Jan-Michael Gambill | W | 6-4, 6-4, 6-4 |
| 3 | Younes El Aynaoui | L | 6-7 (1-7), 7-5, 6-3, 3-6, 6-7 |
| Heineken Open Shanghai | |||
| Rd | Opponent | W/L | Score |
| 1 | Dennis Van Scheppingen | W | 6-2, 7-6 (8-6) |
| 2 | Robert Kendrick | W | 6-7 (3-7), 6-1, 6-2 |
| QF | Magnus Norman | W | 2-1, retired (left hip) |
| SF | Wayne Arthurs | W | 6-7 (7-9), 6-3, 6-2 |
| F | Mark Philippoussis | L | 2-6, 1-6 |
| Japan Open | |||
| Rd | Opponent | W/L | Score |
| 2 | Bjorn Phau | W | 7-6 (7-2), 6-2 |
| 3 | Cyril Saulnier | L | 6-4, 5-7, 4-6 |
| CA Tennis Trophy | |||
| Rd | Opponent | W/L | Score |
| 1 | Feliciano Lopez | L | 4-6, 6-7 (4-7) |
| Tennis Masters Madrid | |||
| Rd | Opponent | W/L | Score |
| 2 | Karol Kucera | W | 6-2, 1-6, 6-2 |
| 3 | Juan Ignacio Chela | L | 6-3, 6-7 (5-7), 2-6 |
| Davidoff Swiss Indoors | |||
| Rd | Opponent | W/L | Score |
| 1 | Arvind Parmar | W | 3-6, 6-3, 6-0 |
| 2 | Feliciano Lopez | L | 6-3, 5-7, 4-6 |
| BNP Paribas Masters | |||
| Rd | Opponent | W/L | Score |
| 2 | Fabrice Santoro | W | 6-4, 4-6, 6-0 |
| 3 | Juan Carlos Ferrero | W | 7-5, 7-5 |
| SF | Andrei Pavel | L | 2-6, 6-4, 4-6 |
