Colin O'Brien

Colin O'Brien (born 17 April 1984) is a former Irish professional tennis player. He was born in Dublin, Ireland.

Career O'Brien mainly played on the ITF Men's Circuit He retired at the end of the 2013 season.

Singles titles 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 2008Dublin, F1 Carpet Michel Koning 3–6, 5–7 2. 25 January 2009Bergheim bei Salzburg 1, F1 Carpet Nicolas Reissig 3–6, 2–6 3. 6 November 2010Heraklion, F4 Hard Alexandros Jakupovic 3–6, 3–6

Doubles titles 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 2009Bournemouth, F5 Clay Daniel Smethurst Ashley Hewitt Richard Gabb 6–3, 6–2 2. 16 May 2009Newcastle, F7 Clay James McGee Nick Cavaday Barry King 6–4, 6–4 3. 18 July 2009Frinton, F9 Grass Tristan Farron-Mahon Neil Pauffley Marcus Willis 6–7(5), 7–6(3), [10–6] 4. 11 October 2009Paros 2, F3 Carpet Mathieu Guenat Paris Gemouchidis Manolis Glezos 6–7(1), 6–3, [10–3] 5. 9 May 2010Edinburgh, F6 Clay James Cluskey Barry King Marcus Willis 6–3, 6–3 6. 24 July 2010Dublin, F1 Carpet James Cluskey Colin Ebelthite Barry King 6–2, 7–6(1) 7. 21 August 2010Jūrmala, F1 Clay James Cluskey Jakub Lustyk David Novak 2–6, 6–3, [14–12] 8. 17 March 2013Guimarães, F4 Hard Sam Barry Goncalo Pereira Danyal Sualehe 6–1, 6–1 9. 27 July 2013Dublin, 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 2007Dublin, F1 Carpet Barry King Pierre-Ludovic Duclos Raphael Durek 5–7, 6–7(2) 2. 25 May 2008Jablonec nad Nisou, F3 Clay James Ludlow Érik Chvojka Jaroslav Pospíšil 4–6, 3–6 3. 14 September 2008Nottingham, F14 Hard Colin Fleming Jérémy Blandin Martin Fischer 0–6, 6–2, [9–11] 4. 28 September 2008Paros, F5 Carpet Colin Fleming Dennis Blömke Dimitris Kleftakos 4–6, 3–6 5. 28 August 2009Piombino, F25 Hard Philippe De Bonnevie Alessandro Giannessi Claudio Grassi 1–6, 6–4, [5–10] 6. 12 September 2009Wrexham, F13 Hard Andrew Anderson Chris Eaton Dominic Inglot 6–3, 3–6, [6–10] 7. 27 September 2009Kos, F1 Hard Mathieu Guenat Damiano di Ienno Claudio Grassi 4–6, 6–7(5) 8. 18 October 2009Heraklion, F4 Carpet Mathieu Guenat Alexander Sadecky Mikhail Vasiliev 6–7(2), 6–7(4) 9. 28 November 2009Kuala Lumpur, F5 Hard Rohan Gajjar Siarhei Betau Dzmitry Zhyrmont 4–6, 3–6 10. 27 February 2010Sarajevo, F2 Carpet James McGee Chris Eaton Dominic Inglot W/O 11. 18 June 2010Kelibia, F3 Hard James Cluskey Laurent Rochette Mikhail Vasiliev 3–6, 6–1, [6–10] 12. 31 October 2010Heraklion, F3 Carpet Sam Barry Daniel Glancy Marcus Willis 5–7, 7–5 [8–10] 13. 25 January 2013Sheffield, F2 Hard Sam Barry Ken Skupski Neal Skupski 6–3, 3–6, [5–10] 14. 3 March 2013Loulé, F2 Hard Sam Barry Ivan Arenas-Gualda Enrique Lopez-Perez 7–6(2), 6–7(5), [4–10] 15. 22 September 2013Plaisir, F16 Hard Dean O'Brien Remi Boutillier Julien Obry 6–3, 6–7(4), [14–16]