Head to head
1
Hard
1
1
Grass
0
Justin Gimelstob's wins on the left · Cecil Mamiit's on the right · bar lengths share one scale
All meetings (3)
| 2001 | Washington | Hard | R64 | Cecil Mamiit | 6-3 6-2 |
| 2001 | Queen's Club | Grass | R64 | Justin Gimelstob | 6-1 7-6(5) |
| 2000 | Delray Beach | Hard | R16 | Justin Gimelstob | 1-6 7-6(3) 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.