Head to head
Rivalry summary
Colin O'Brien and Ouassel Hared met 1 times on the ATP tour between 2009 and 2009. Colin O'Brien leads the head-to-head 1–0 against Ouassel Hared.
1
Clay
0
Colin O'Brien's wins on the left · Ouassel Hared's on the right · bar lengths share one scale
All meetings (1)
| 2009 | Davis Cup G2 R1: ALG vs IRL | Clay | RR | Colin O'Brien | 6-4 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.