Head to head
1
Hard
1
Brad Gilbert's wins on the left · Alex O'Brien's on the right · bar lengths share one scale
All meetings (2)
| 1994 | Cincinnati Masters | Hard | R32 | Alex O'Brien | 6-4 6-1 |
| 1993 | Scottsdale | Hard | R16 | Brad Gilbert | 1-6 7-5 6-3 |
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.