Head to head
1
Hard
1
0
Clay
1
Jan-Michael Gambill's wins on the left · Gustavo Kuerten's on the right · bar lengths share one scale
All meetings (3)
| 2001 | Indian Wells Masters | Hard | R16 | Jan-Michael Gambill | 7-6(5) 6-4 |
| 1999 | Hamburg Masters | Clay | R32 | Gustavo Kuerten | 6-4 6-4 |
| 1998 | Memphis | Hard | R16 | Gustavo Kuerten | 6-4 7-6(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.