| Country (sports) |  Ireland |
|---|---|
| Residence | Dublin, Ireland |
| Born | 17 April 1984 Dublin, Ireland |
| Plays | Left-handed |
| Prize money | $32,553 |
| Singles | |
| Career record | 2-1 |
| Career titles | 0 ATP |
| Highest ranking | No. 599 (9 May 2011) |
| Doubles | |
| Career record | 1-3 |
| Career titles | 0 ATP |
| Highest ranking | 331 (30 August 2010) |
| Last updated on: 28 November 2014. | |
Colin O'Brien (born 17 April 1984) is a former Irish professional tennis player. He was born in Dublin, Ireland. [1]
O'Brien mainly played on the ITF Men's Circuit [1] and also competed for the Ireland Davis Cup team where he held a 4–5 record. [2] He retired at the end of the 2013 season.
| Legend (singles) |
|---|
| Grand Slam (0) |
| ATP World Tour Masters 1000 (0) |
| ATP World Tour 500 (0) |
| ATP World Tour 250 (0) |
| ATP Challenger Tour (0) |
| ITF Futures (0) |
Wins (0)
Runner-up (3)
| No. | Date | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|
| 1. | 21 June 2008 | Dublin, F1 | Carpet |  Michel Koning | 3–6, 5–7 |
| 2. | 25 January 2009 | Bergheim bei Salzburg 1, F1 | Carpet |  Nicolas Reissig | 3–6, 2–6 |
| 3. | 6 November 2010 | Heraklion, F4 | Hard |  Alexandros Jakupovic | 3–6, 3–6 |
| Legend (doubles) |
|---|
| Grand Slam (0) |
| ATP World Tour Masters 1000 (0) |
| ATP World Tour 500 (0) |
| ATP World Tour 250 (0) |
| ATP Challenger Tour (0) |
| ITF Futures (9) |
Wins (9)
| No. | Date | Tournament | Surface | Partner | Opponent | Score |
|---|---|---|---|---|---|---|
| 1. | 2 May 2009 | Bournemouth, F5 | Clay |  Daniel Smethurst | Ashley Hewitt Richard Gabb | 6–3, 6–2 |
| 2. | 16 May 2009 | Newcastle, F7 | Clay | James McGee | Nick Cavaday Barry King | 6–4, 6–4 |
| 3. | 18 July 2009 | Frinton, F9 | Grass | Tristan Farron-Mahon | Neil Pauffley Marcus Willis | 6–7(5), 7–6(3), [10–6] |
| 4. | 11 October 2009 | Paros 2, F3 | Carpet |  Mathieu Guenat | Paris Gemouchidis Manolis Glezos | 6–7(1), 6–3, [10–3] |
| 5. | 9 May 2010 | Edinburgh, F6 | Clay | James Cluskey | Barry King Marcus Willis | 6–3, 6–3 |
| 6. | 24 July 2010 | Dublin, F1 | Carpet | James Cluskey |  Colin Ebelthite Barry King | 6–2, 7–6(1) |
| 7. | 21 August 2010 | Jūrmala, F1 | Clay | James Cluskey |  Jakub Lustyk David Novak | 2–6, 6–3, [14–12] |
| 8. | 17 March 2013 | Guimarães, F4 | Hard | Sam Barry |  Goncalo Pereira Danyal Sualehe | 6–1, 6–1 |
| 9. | 27 July 2013 | Dublin, F1 | Carpet | John Morrissey |  Marcus Daniell Richard Gabb | 6–4, 6–7(1), [10–7] |
Runner-up (15)
| No. | Date | Tournament | Surface | Partner | Opponent | Score |
|---|---|---|---|---|---|---|
| 1. | 23 June 2007 | Dublin, F1 | Carpet | Barry King |  Pierre-Ludovic Duclos Raphael Durek | 5–7, 6–7(2) |
| 2. | 25 May 2008 | Jablonec nad Nisou, F3 | Clay |  James Ludlow | Érik Chvojka Jaroslav Pospíšil | 4–6, 3–6 |
| 3. | 14 September 2008 | Nottingham, F14 | Hard | Colin Fleming |  Jérémy Blandin Martin Fischer | 0–6, 6–2, [9–11] |
| 4. | 28 September 2008 | Paros, F5 | Carpet | Colin Fleming |  Dennis Blömke Dimitris Kleftakos | 4–6, 3–6 |
| 5. | 28 August 2009 | Piombino, F25 | Hard | Philippe De Bonnevie |  Alessandro Giannessi Claudio Grassi | 1–6, 6–4, [5–10] |
| 6. | 12 September 2009 | Wrexham, F13 | Hard |  Andrew Anderson | Chris Eaton Dominic Inglot | 6–3, 3–6, [6–10] |
| 7. | 27 September 2009 | Kos, F1 | Hard | Mathieu Guenat | Damiano di Ienno Claudio Grassi | 4–6, 6–7(5) |
| 8. | 18 October 2009 | Heraklion, F4 | Carpet | Mathieu Guenat | Alexander Sadecky  Mikhail Vasiliev | 6–7(2), 6–7(4) |
| 9. | 28 November 2009 | Kuala Lumpur, F5 | Hard |  Rohan Gajjar |  Siarhei Betau Dzmitry Zhyrmont | 4–6, 3–6 |
| 10. | 27 February 2010 | Sarajevo, F2 | Carpet | James McGee | Chris Eaton Dominic Inglot | W/O |
| 11. | 18 June 2010 | Kelibia, F3 | Hard | James Cluskey | Laurent Rochette Mikhail Vasiliev | 3–6, 6–1, [6–10] |
| 12. | 31 October 2010 | Heraklion, F3 | Carpet | Sam Barry | Daniel Glancy Marcus Willis | 5–7, 7–5 [8–10] |
| 13. | 25 January 2013 | Sheffield, F2 | Hard | Sam Barry | Ken Skupski Neal Skupski | 6–3, 3–6, [5–10] |
| 14. | 3 March 2013 | Loulé, F2 | Hard | Sam Barry |  Ivan Arenas-Gualda Enrique Lopez-Perez | 7–6(2), 6–7(5), [4–10] |
| 15. | 22 September 2013 | Plaisir, F16 | Hard | Dean O'Brien | Remi Boutillier Julien Obry | 6–3, 6–7(4), [14–16] |
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