Head to head
1
Hard
0
0
Carpet
1
Jan Siemerink's wins on the left · Jan Kroslak's on the right · bar lengths share one scale
All meetings (2)
| 1999 | Moscow | Carpet | R32 | Jan Kroslak | 5-7 7-6(3) 7-6(3) |
| 1999 | Cincinnati Masters | Hard | R64 | Jan Siemerink | 6-1 6-2 |
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.