Head to head
2
Hard
1
0
Carpet
2
Jan Siemerink's wins on the left · Petr Korda's on the right · bar lengths share one scale
All meetings (5)
| 1997 | Cincinnati Masters | Hard | R32 | Jan Siemerink | 7-5 1-6 6-1 |
| 1995 | Basel | Hard | QF | Jan Siemerink | 3-6 7-6(4) 7-5 |
| 1992 | Vienna | Carpet | SF | Petr Korda | 7-5 6-7(2) 6-3 |
| 1992 | Toulouse | Hard | SF | Petr Korda | 7-6(5) 6-3 |
| 1992 | Stuttgart Indoor | Carpet | QF | Petr Korda | 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.