Head to head
2
Hard
1
1
Clay
0
1
Carpet
0
Jan Siemerink's wins on the left · Thomas Enqvist's on the right · bar lengths share one scale
All meetings (5)
| 2000 | Rotterdam | Hard | R32 | Jan Siemerink | 6-3 7-6(5) |
| 1997 | World Team Cup | Clay | RR | Jan Siemerink | 6-2 7-6(11) |
| 1996 | Vienna | Carpet | R16 | Jan Siemerink | 7-6(6) 7-5 |
| 1995 | Basel | Hard | R16 | Jan Siemerink | 6-2 6-2 |
| 1995 | Cincinnati Masters | Hard | R16 | Thomas Enqvist | 6-2 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.