Head to head
1
Hard
1
0
Carpet
1
Jan Siemerink's wins on the left · Adrian Voinea's on the right · bar lengths share one scale
All meetings (3)
| 1997 | Davis Cup WG R1: ROU vs NED | Hard | RR | Jan Siemerink | 7-6(6) 5-7 6-7(3) 7-6(8) 6-4 |
| 1996 | Milan | Carpet | R16 | Adrian Voinea | 6-4 6-4 |
| 1996 | Doha | Hard | R32 | Adrian Voinea | 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.