Head to head
2
Hard
1
1
Grass
0
1
Carpet
0
Jan Siemerink's wins on the left · Brett Steven's on the right · bar lengths share one scale
All meetings (5)
| 1998 | Copenhagen | Carpet | QF | Jan Siemerink | 6-3 6-3 |
| 1997 | Cincinnati Masters | Hard | R64 | Jan Siemerink | 7-6(5) 7-6(1) |
| 1996 | Davis Cup WG PO: NED vs NZL | Hard | RR | Jan Siemerink | 6-7(4) 7-6(2) 6-3 3-6 6-2 |
| 1996 | Rosmalen | Grass | R16 | Jan Siemerink | 4-6 6-3 6-2 |
| 1996 | Australian Open | Hard | R32 | Brett Steven | 6-1 6-4 6-7(3) 6-2 |
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.