Head to head
1
Hard
2
Jan Siemerink's wins on the left · Jason Stoltenberg's on the right · bar lengths share one scale
All meetings (3)
| 2000 | US Open | Hard | R128 | Jason Stoltenberg | 6-0 6-4 6-1 |
| 1993 | Cincinnati Masters | Hard | R16 | Jason Stoltenberg | 7-6(1) 3-6 7-5 |
| 1991 | Miami Masters | Hard | R128 | Jan Siemerink | 7-6(6) 3-6 7-6(6) |
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.