Head to head
3
Hard
1
Jan-Michael Gambill's wins on the left · Xavier Malisse's on the right · bar lengths share one scale
All meetings (4)
| 2003 | Indianapolis | Hard | R16 | Xavier Malisse | 6-4 6-2 |
| 2001 | Delray Beach | Hard | F | Jan-Michael Gambill | 7-5 6-4 |
| 2001 | Memphis | Hard | R32 | Jan-Michael Gambill | 7-6(2) 6-3 |
| 1999 | Miami Masters | Hard | R128 | Jan-Michael Gambill | 7-5 6-2 |
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.