Head to head
0
Grass
1
2
Carpet
2
David Prinosil's wins on the left · Jan Siemerink's on the right · bar lengths share one scale
All meetings (5)
| 2001 | Davis Cup WG QF: NED vs GER | Carpet | RR | Jan Siemerink | 7-6(4) 7-5 |
| 1999 | St. Petersburg | Carpet | SF | David Prinosil | 6-4 6-2 |
| 1998 | Wimbledon | Grass | R64 | Jan Siemerink | 6-4 6-7(2) 6-4 6-2 |
| 1998 | Copenhagen | Carpet | SF | David Prinosil | 6-3 7-6(5) |
| 1995 | Copenhagen | Carpet | R32 | Jan Siemerink | 6-4 6-4 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.