Head to head
Rivalry summary
Jan Kroslak and Jan Siemerink met 2 times on the ATP tour between 1999 and 1999. Their head-to-head is level at 1–1.
0
Hard
1
1
Carpet
0
Jan Kroslak's wins on the left · Jan Siemerink'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.