Colin O'Brien

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.

Wins (0)

Runner-up (3)

No.	Date	Tournament	Surface	Opponent in the final	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

Wins (9)

No.	Date	Tournament	Surface	Partner	Opponent in the final	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 in the final	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]

• Colin O'Brien at the Association of Tennis Professionals
• Colin O'Brien at the International Tennis Federation
• Colin O'Brien at the Davis Cup