Head to head
3
Hard
0
0
Grass
1
Pete Sampras's wins on the left · Nicolas Kiefer's on the right · bar lengths share one scale
All meetings (4)
| 2002 | Halle | Grass | R16 | Nicolas Kiefer | 6-3 6-4 |
| 2001 | Miami Masters | Hard | R64 | Pete Sampras | 6-3 3-6 6-3 |
| 1999 | ATP Tour World Championship | Hard | SF | Pete Sampras | 6-3 6-3 |
| 1998 | Stuttgart Masters | Hard | R32 | 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.