Head to head
2
Hard
0
Justin Gimelstob's wins on the left · Daniel Vacek's on the right · bar lengths share one scale
All meetings (2)
| 1999 | US Open | Hard | R64 | Justin Gimelstob | 6-2 3-6 2-6 6-4 6-3 |
| 1998 | Los Angeles | Hard | R32 | Justin Gimelstob | 6-4 6-0 |
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.