Head to head
1
Hard
1
1
Grass
0
Jan-Michael Gambill's wins on the left · Nicolas Massu's on the right · bar lengths share one scale
All meetings (3)
| 2005 | US Open | Hard | R128 | Nicolas Massu | 7-6(4) 6-2 6-3 |
| 2002 | Wimbledon | Grass | R128 | Jan-Michael Gambill | 6-3 7-6(9) 6-3 |
| 2001 | Auckland | Hard | R32 | Jan-Michael Gambill | 7-6(4) 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.