Head to head
3
Hard
1
0
Grass
1
2
Carpet
2
Jan Siemerink's wins on the left · Goran Ivanisevic's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 1999 | London | Carpet | R32 | Goran Ivanisevic | 6-3 0-6 7-6(1) |
| 1998 | Wimbledon | Grass | QF | Goran Ivanisevic | 7-6(10) 7-6(5) 7-6(6) |
| 1998 | Rotterdam | Carpet | R32 | Jan Siemerink | 5-7 7-6(6) 6-3 |
| 1998 | Antwerp | Hard | R32 | Jan Siemerink | 6-4 6-3 |
| 1998 | Australian Open | Hard | R128 | Jan Siemerink | 6-2 7-6(3) 3-6 6-4 |
| 1997 | Ostrava | Carpet | R32 | Goran Ivanisevic | 5-7 6-3 6-3 |
| 1997 | Cincinnati Masters | Hard | R16 | Jan Siemerink | 6-4 6-4 |
| 1996 | Stuttgart Masters | Carpet | QF | Jan Siemerink | 6-3 7-6(4) |
| 1991 | New Haven | Hard | R16 | Goran Ivanisevic | 6-2 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.