Head to head
Rivalry summary
Alex O'Brien and Derrick Rostagno met 2 times on the ATP tour between 1991 and 1993. Their head-to-head is level at 1–1.
0
Hard
1
1
Clay
0
Alex O'Brien's wins on the left · Derrick Rostagno's on the right · bar lengths share one scale
All meetings (2)
| 1993 | Coral Springs | Clay | R32 | Alex O'Brien | 7-6(5) 6-1 |
| 1991 | New Haven | Hard | R32 | Derrick Rostagno | 7-6(5) 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.