Head to head
1
Clay
0
Alex O'Brien's wins on the left · Gilbert Schaller's on the right · bar lengths share one scale
All meetings (1)
| 1997 | Orlando | Clay | R32 | Alex O'Brien | 6-4 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.