| 2005-07-18 | Indianapolis | Hard | R64 | 234 |  Rajeev Ram (WC) | 202 |  Sjeng Schalken | 7-5 7-6(1) | H2H | 3 | 102 | 11 | 3 | 53.4% | 79.5% | 52.9% | 2/4 |
| 2005-06-13 | 's-Hertogenbosch | Grass | R16 | 63 |  Davide Sanguinetti (9) | 89 | Sjeng Schalken | 7-6(6) 6-3 | H2H | 3 | 80 | 6 | 4 | 65.6% | 76.2% | 45.5% | 1/2 |
| 2005-06-13 | 's-Hertogenbosch | Grass | R32 | 89 | Sjeng Schalken | 103 |  Bjorn Phau | 7-6(5) 6-1 | H2H | 3 | 93 | 1 | 1 | 79.5% | 70.7% | 60.0% | 2/2 |
| 2005-05-16 | St. Poelten | Clay | R16 | 13 |  Nikolay Davydenko (1) | 92 | Sjeng Schalken | 6-3 6-1 | H2H | 3 | 74 | 5 | 4 | 52.8% | 82.1% | 60.0% | 7/7 |
| 2005-05-16 | St. Poelten | Clay | R32 | 92 | Sjeng Schalken | 68 | Kevin Kim | 6-3 2-6 6-3 | H2H | 3 | 113 | 1 | 3 | 63.9% | 56.5% | 60.0% | 9/13 |
| 2005-04-25 | Munich | Clay | R16 | 38 |  Andrei Pavel (5) | 85 | Sjeng Schalken | 6-1 1-6 6-1 | H2H | 3 | 90 | 6 | 0 | 64.1% | 63.4% | 52.2% | 1/5 |
| 2005-04-25 | Munich | Clay | R32 | 85 | Sjeng Schalken | 174 | Tobias Summerer (WC) | 6-2 7-5 | H2H | 3 | 94 | 1 | 0 | 70.5% | 63.6% | 56.5% | 5/6 |
| 2005-03-04 | Davis Cup WG R1: SUI vs NED | Hard | RR | 73 | Sjeng Schalken | 118 |  Stan Wawrinka | 1-6 6-2 6-4 2-6 9-7 | H2H | 5 | - | - | - | - | - | - | - |
| 2005-03-04 | Davis Cup WG R1: SUI vs NED | Hard | RR | 73 | Sjeng Schalken | 150 | Marco Chiudinelli | 7-6(4) 4-6 6-3 5-7 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 2005-02-14 | Rotterdam | Hard | R32 | 70 | Sjeng Schalken (WC) | 25 | Andrei Pavel | 4-6 7-5 6-4 | H2H | 3 | 157 | 1 | 3 | 71.0% | 69.0% | 58.6% | 6/9 |
