Head to head
0
Hard
2
0
Clay
1
1
Grass
0
0
Carpet
2
Jan Siemerink's wins on the left · Tim Henman's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2001 | Copenhagen | Hard | SF | Tim Henman | 6-4 7-6(3) |
| 1999 | Rome Masters | Clay | R32 | Tim Henman | 7-5 7-5 |
| 1996 | Lyon | Carpet | R16 | Tim Henman | 6-7(4) 7-6(3) 7-6(5) |
| 1996 | Cincinnati Masters | Hard | R64 | Tim Henman | 6-3 6-2 |
| 1996 | Nottingham | Grass | QF | Jan Siemerink | 7-6(5) 6-7(5) 6-1 |
| 1996 | Rotterdam | Carpet | R32 | Tim Henman | 7-6(6) 7-6(9) |
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.