| 2002-02-08 | Davis Cup WG R1: USA vs SVK | Hard | RR | 17 |  Andy Roddick | 269 |  Jan Kroslak | 6-4 6-4 6-7(5) 7-6(1) | H2H | 5 | - | - | - | - | - | - | - |
| 2001-09-21 | Davis Cup WG PO: SVK vs CHI | Carpet | RR | 78 |  Nicolas Massu | 249 | Jan Kroslak | 6-2 5-7 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 2001-09-10 | Tashkent | Hard | R16 | 28 | Dominik Hrbaty (3) | 268 | Jan Kroslak (Q) | 7-5 6-1 | H2H | 3 | 55 | 9 | 3 | 50.0% | 84.6% | 65.4% | 0/1 |
| 2001-09-10 | Tashkent | Hard | R32 | 268 | Jan Kroslak (Q) | 66 |  Michel Kratochvil | 6-2 6-3 | H2H | 3 | 55 | 5 | 3 | 69.2% | 92.6% | 41.7% | 0/1 |
| 2001-05-21 | St. Poelten | Clay | R32 | 255 |  Ivaylo Traykov (LL) | 253 | Jan Kroslak (Q) | 7-6(5) 7-5 | H2H | 3 | 90 | 5 | 2 | 59.7% | 76.7% | 72.4% | 3/4 |
| 2000-10-23 | Moscow | Carpet | R32 | 87 |  Alberto Martin | 163 | Jan Kroslak (Q) | 6-7(6) 6-3 6-4 | H2H | 3 | 120 | 4 | 4 | 58.1% | 72.1% | 52.3% | 6/9 |
| 2000-08-14 | Washington | Hard | R64 | 48 |  Jerome Golmard (10) | 136 | Jan Kroslak | 6-4 6-2 | H2H | 3 | 58 | 6 | 0 | 65.1% | 85.7% | 86.7% | 1/1 |
| 2000-07-24 | Los Angeles | Hard | R16 | 259 | Lionel Roux (LL) | 136 | Jan Kroslak | 6-3 7-6(2) | H2H | 3 | 75 | 9 | 2 | 59.0% | 83.3% | 60.0% | 3/4 |
| 2000-07-24 | Los Angeles | Hard | R32 | 136 | Jan Kroslak | 122 | Cyril Saulnier | 6-2 6-2 | H2H | 3 | 53 | 2 | 3 | 66.7% | 78.1% | 56.3% | 1/1 |
| 2000-07-17 | Umag | Clay | R32 | 23 | Marcelo Rios (2) | 137 | Jan Kroslak | 6-3 6-1 | H2H | 3 | 62 | 4 | 0 | 46.5% | 80.0% | 65.2% | 1/2 |
