Head to head
0
Hard
1
1
Carpet
1
Diego Nargiso's wins on the left · Jan Siemerink's on the right · bar lengths share one scale
All meetings (3)
| 1998 | Copenhagen | Carpet | R16 | Jan Siemerink | 6-4 4-6 6-3 |
| 1996 | Australian Open | Hard | R64 | Jan Siemerink | 1-6 5-7 6-2 7-6(8) 6-1 |
| 1994 | Ostrava | Carpet | QF | Diego Nargiso | 6-0 7-6(4) |
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.