Colin O'Brien
W-L: 3-2 (60.00%)
Matches
| Date ▼ | Tourney | Surface | Round | Wrk | Winner | Lrk | Loser | Score | H2H | BoF | Min | WA | WDF | W1stIn | W1st% | W2nd% | BPSvd |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013-04-05 | Davis Cup G2 R2: IRL vs FIN | Hard | RR | 47 |  Jarkko Nieminen | - | Colin O'Brien | 6-1 6-2 6-0 | H2H | 5 | - | - | - | - | - | - | - |
| 2009-03-06 | Davis Cup G2 R1: ALG vs IRL | Clay | RR | - | Colin O'Brien | - |  Ouassel Hared | 6-4 6-4 | H2H | 3 | - | - | - | - | - | - | - |
| 2009-07-10 | Davis Cup G2 R2: CYP vs IRL | Hard | RR | - | Colin O'Brien | - |  Demetris Leontis | 7-6(2) 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 2008-07-18 | Davis Cup G2 R2: IRL vs UKR | Grass | RR | - | Colin O'Brien | 443 |  Artem Smirnov | 6-2 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2008-07-18 | Davis Cup G2 R2: IRL vs UKR | Grass | RR | 132 | Sergiy Stakhovsky | - | Colin O'Brien | 6-3 6-3 6-1 | H2H | 5 | - | - | - | - | - | - | - |
Matches