Head to head
Rivalry summary
Alex O'Brien and Sargis Sargsian met 4 times on the ATP tour between 1996 and 1997. Sargis Sargsian leads the head-to-head 3–1 against Alex O'Brien. By surface, Sargsian leads 2–1 on hard.
1
Hard
2
0
Clay
1
Alex O'Brien's wins on the left · Sargis Sargsian's on the right · bar lengths share one scale
All meetings (4)
| 1997 | Los Angeles | Hard | R32 | Sargis Sargsian | 6-4 6-3 |
| 1997 | Coral Springs | Clay | R32 | Sargis Sargsian | 3-6 6-3 6-3 |
| 1997 | Memphis | Hard | R32 | Sargis Sargsian | 6-4 6-4 |
| 1996 | New Haven | Hard | R64 | Alex O'Brien | 6-2 3-6 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.