Head to head
Rivalry summary
Pete Sampras and Alex O'Brien met 1 times on the ATP tour between 1998 and 1998. Pete Sampras leads the head-to-head 1–0 against Alex O'Brien.
1
Clay
0
Pete Sampras's wins on the left · Alex O'Brien's on the right · bar lengths share one scale
All meetings (1)
| 1998 | Atlanta | Clay | R32 | Pete Sampras | 6-2 7-6(5) |
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.