Head to head
Rivalry summary
Jonas Bjorkman and Jan Siemerink met 6 times on the ATP tour between 1994 and 1998. Jonas Bjorkman leads the head-to-head 5–1 against Jan Siemerink. By surface, Bjorkman leads 3–0 on hard; they are level 1–1 on grass. They contested 1 finals, with Bjorkman winning 1 of them.
3
Hard
0
1
Grass
1
1
Carpet
0
Jonas Bjorkman's wins on the left · Jan Siemerink's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1998 | US Open | Hard | R16 | Jonas Bjorkman | 6-4 2-6 6-2 6-2 |
| 1998 | Wimbledon | Grass | R32 | Jan Siemerink | 7-6(6) 5-7 2-6 6-4 7-5 |
| 1997 | Stockholm | Hard | F | Jonas Bjorkman | 3-6 7-6(2) 6-2 6-4 |
| 1997 | Stuttgart Masters | Carpet | R32 | Jonas Bjorkman | 6-3 6-4 |
| 1996 | Rosmalen | Grass | QF | Jonas Bjorkman | 6-1 6-7(3) 7-6(4) |
| 1994 | Schenectady | Hard | R32 | Jonas Bjorkman | 6-3 6-3 |
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.