Head to head
2
Hard
2
1
Grass
1
2
Carpet
1
Jan Siemerink's wins on the left · Gianluca Pozzi's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 2001 | Queen's Club | Grass | R32 | Jan Siemerink | 3-6 6-3 7-5 |
| 2000 | Queen's Club | Grass | R64 | Gianluca Pozzi | 6-3 4-6 6-1 |
| 2000 | Copenhagen | Hard | R32 | Gianluca Pozzi | 2-6 6-4 6-4 |
| 1998 | Lyon | Carpet | R32 | Gianluca Pozzi | 2-6 6-4 6-4 |
| 1998 | Miami Masters | Hard | R64 | Jan Siemerink | 6-3 6-2 |
| 1993 | Vienna | Carpet | R32 | Jan Siemerink | 4-6 7-5 6-3 |
| 1993 | Marseille | Carpet | QF | Jan Siemerink | 6-3 6-3 |
| 1993 | Doha | Hard | R16 | Gianluca Pozzi | 7-5 5-7 7-5 |
| 1992 | Hong Kong | Hard | R32 | Jan Siemerink | 6-4 1-0 RET |
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.