| 2003-10-20 | Basel | Carpet | R32 | 19 |  Tommy Robredo (8) | 125 |  Michel Kratochvil (WC) | 6-4 6-4 | H2H | 3 | 69 | 5 | 1 | 68.5% | 75.7% | 76.5% | 1/1 |
| 2003-09-29 | Tokyo | Hard | R16 | 62 |  Jan-Michael Gambill (8) | 130 | Michel Kratochvil (Q) | 6-3 7-5 | H2H | 3 | 99 | 13 | 3 | 56.1% | 83.8% | 48.3% | 1/2 |
| 2003-09-29 | Tokyo | Hard | R32 | 130 | Michel Kratochvil (Q) | 85 |  John van Lottum (12) | 6-2 6-3 | H2H | 3 | 69 | 3 | 2 | 57.8% | 80.8% | 63.2% | 0/1 |
| 2003-09-29 | Tokyo | Hard | R64 | 130 | Michel Kratochvil (Q) | 110 |  Tomas Berdych | 7-6(2) 4-6 6-3 | H2H | 3 | 118 | 11 | 0 | 65.6% | 80.3% | 65.6% | 3/4 |
| 2003-09-19 | Davis Cup WG SF: AUS vs SUI | Hard | RR | 7 |  Lleyton Hewitt | 129 | Michel Kratochvil | 6-4 6-4 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 2003-09-19 | Davis Cup WG SF: AUS vs SUI | Hard | RR | 129 | Michel Kratochvil | - | Todd Woodbridge | 6-4 RET | H2H | 5 | - | - | - | - | - | - | - |
| 2003-07-28 | Sopot | Clay | R32 | 453 |  Marc-Kevin Goellner (Q) | 152 | Michel Kratochvil | 6-4 4-6 6-3 | H2H | 3 | 136 | 16 | 6 | 50.9% | 83.1% | 38.6% | 11/14 |
| 2003-07-21 | Kitzbuhel | Clay | R32 | 23 | MARYounes El Aynaoui (5) | 152 | Michel Kratochvil | 6-7(4) 6-1 7-6(3) | H2H | 3 | 192 | 1 | 0 | 72.5% | 50.0% | 60.0% | 3/10 |
| 2003-07-21 | Kitzbuhel | Clay | R64 | 152 | Michel Kratochvil | 99 |  Julien Boutter | 6-3 6-3 | H2H | 3 | 71 | 5 | 5 | 63.8% | 78.4% | 52.4% | 7/8 |
| 2003-07-14 | Stuttgart | Clay | R64 | 52 |  Olivier Rochus | 149 | Michel Kratochvil | 3-6 6-2 6-3 | H2H | 3 | 102 | 2 | 5 | 53.9% | 73.2% | 57.1% | 4/6 |
