Head to head
1
Hard
0
1
Clay
0
Jan-Michael Gambill's wins on the left · Jan Vacek's on the right · bar lengths share one scale
All meetings (2)
| 2002 | St. Poelten | Clay | R32 | Jan-Michael Gambill | 6-3 3-6 6-3 |
| 2002 | San Jose | Hard | R32 | Jan-Michael Gambill | 6-2 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.