Head to head
1
Hard
2
0
Grass
2
Jan-Michael Gambill's wins on the left · Pete Sampras's on the right · bar lengths share one scale
All meetings (5)
| 2001 | Queen's Club | Grass | QF | Pete Sampras | 7-6(1) 7-5 |
| 2000 | Wimbledon | Grass | QF | Pete Sampras | 6-4 6-7(4) 6-4 6-4 |
| 1999 | Scottsdale | Hard | R16 | Jan-Michael Gambill | 4-6 6-3 6-4 |
| 1998 | Stuttgart Masters | Hard | QF | Pete Sampras | 4-1 RET |
| 1998 | Cincinnati Masters | Hard | R16 | Pete Sampras | 7-6(3) 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.