Head to head
0
Hard
1
1
Clay
0
0
Carpet
1
Jan Siemerink's wins on the left · Jeff Tarango's on the right · bar lengths share one scale
All meetings (3)
| 1999 | Doha | Hard | R32 | Jeff Tarango | 6-3 6-3 |
| 1997 | Basel | Carpet | R32 | Jeff Tarango | 7-6(4) 6-2 |
| 1997 | Rome Masters | Clay | R64 | Jan Siemerink | 7-5 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.