Head to head
2
Hard
0
1
Grass
0
2
Carpet
0
Pete Sampras's wins on the left · Jan Siemerink's on the right · bar lengths share one scale
All meetings (5)
| 2001 | Queen's Club | Grass | R16 | Pete Sampras | 6-3 6-4 |
| 1999 | Cincinnati Masters | Hard | R32 | Pete Sampras | 7-6(9) 6-4 |
| 1996 | Stuttgart Masters | Carpet | SF | Pete Sampras | 6-3 6-4 |
| 1996 | Hong Kong | Hard | SF | Pete Sampras | 6-3 4-6 7-6(2) |
| 1995 | Paris Masters | Carpet | R16 | Pete Sampras | 6-3 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.