Name: Dean O'Brien
Country: JAR
Birthdate: 15.05.90, 34 years
ATP ranking: 842
TOP ranking's position: 507 (21.04.14, 68 points)
Points: 20
Prize money: 63.357 $
Matches total: 168
Win: 77
%: 45.83 %
Country: JAR
Birthdate: 15.05.90, 34 years
ATP ranking: 842
TOP ranking's position: 507 (21.04.14, 68 points)
Points: 20
Prize money: 63.357 $
Matches total: 168
Win: 77
%: 45.83 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2016 | 2/9 | 1/4 | 1/2 | 0/3 | 0/0 | 0/0 | 0/0 |
| 2015 | 11/14 | 5/7 | 4/3 | 2/4 | 0/0 | 0/0 | 0/0 |
| 2014 | 19/25 | 13/12 | 5/8 | 1/5 | 0/0 | 0/0 | 0/0 |
| 2013 | 38/25 | 37/21 | 0/0 | 1/4 | 0/0 | 0/0 | 0/0 |
| 2012 | 5/13 | 3/11 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2011 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2010 | 0/2 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2009 | 1/1 | 0/0 | 0/0 | 0/0 | 1/1 | 0/0 | 0/0 |
| 2008 | 0/1 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| TOTAL | 77/91 | 60/58 | 11/14 | 5/18 | 1/1 | 0/0 | 0/0 |
| perc. % | 45.83 % | 50.85 % | 44 % | 21.74 % | 50 % | 0 % | 0 % |
Dean O'Brien / Fixtures
| no matches found |
Dean O'Brien form / year 2013 / surface: Hard
Dean O'Brien / year 2013 / surface: Hard
| 18.11.13 | 1st round | Dean O'Brien | Barlaham Zuluaga Gaviria | 6-3, 6-4 |  | match details |  Colombia F7 | Hard |
| 18.11.13 | 2nd round | Dean O'Brien | Maximiliano Estevez | 6-4, 6-2 | | match details | ||
| 18.11.13 | 1/4 | Theodoros Angelinos | Dean O'Brien | 6-3, 7-63 |  | match details | ||
| 11.11.13 | 1st round | Dean O'Brien | Edgar D Espindola | 6-1, 6-1 | | match details | Colombia F6 | Hard |
| 11.11.13 | 1/2 | Luis David Martinez | Dean O'Brien | 6-4, 7-66 | | match details | ||
| 11.11.13 | 2nd round | Dean O'Brien | Alejandro Mendoza | 6-2, 6-2 | | match details | ||
| 11.11.13 | 1/4 | Dean O'Brien | Juan Manuel Benitez Chavarriaga | 6-4, 6-0 | | match details | ||
| 07.10.13 | 1st round | Carl Eguez | Dean O'Brien | 6-4, 7-5 | | match details |  Mexico F14 | Hard |
| 30.09.13 | 1st round | Dean O'Brien | Andres Zepeda | 6-2, 6-2 | | match details | Mexico F13 | Hard |
| 30.09.13 | 1/4 | Naoki Nakagawa | Dean O'Brien | 6-3, 6-3 | | match details | ||
| 30.09.13 | 2nd round | Dean O'Brien | Lazaro Navarro-Batles | 6-1, 6-4 | | match details | ||
| 19.08.13 | 1/4 | Dean O'Brien | Roberto Maytin | 6-3, 6-4 | | match details |  Venezuela F5 | Hard |
| 19.08.13 | 1/2 | David Souto | Dean O'Brien | 7-64, 6-75, 6-2 | | match details | ||
| 19.08.13 | 1st round | Dean O'Brien | Sergio Olivares | 6-0, 6-2 | | match details | ||
| 19.08.13 | 2nd round | Dean O'Brien | Franco Feitt | 6-2, 6-1 | | match details | ||
| 12.08.13 | 1/4 | David Souto | Dean O'Brien | 6-3, 6-3 | | match details | Venezuela F4 | Hard |
| 12.08.13 | 1st round | Dean O'Brien | Roberto Maytin | 6-4, 6-4 | | match details | ||
| 12.08.13 | 2nd round | Dean O'Brien | Duilio Vallebuona | 6-3, 6-2 | | match details | ||
| 05.08.13 | 1st round | Dean O'Brien | Piero Luisi | 6-1, 7-5 | | match details | Venezuela F3 | Hard |
| 05.08.13 | 2nd round | Dean O'Brien | Joao Walendowsky | 6-2, 6-76, 6-2 | | match details | ||
| 05.08.13 | 1/2 | David Souto | Dean O'Brien | 6-76, 6-4, 6-4 | | match details | ||
| 05.08.13 | 1/4 | Dean O'Brien | Jose de Armas | 3-6, 7-61, Jose de Armas - retired | | match details | ||
| 21.07.13 | q 2 | Matthew Ebden | Dean O'Brien | 6-1, 6-1 | | match details |  Atlanta | Hard |
| 20.07.13 | q 1 | Dean O'Brien | Juan-Carlos Spir | 7-65, 6-73, 6-2 | | match details | ||
| 01.07.13 | 1/4 | Dzmitry Zhyrmont | Dean O'Brien | 6-3, 6-77, 6-3 | | match details |  Turkey F26 | Hard |
| 01.07.13 | 1st round | Dean O'Brien | Durukan Durmus | 7-5, 6-1 | | match details | ||
| 01.07.13 | 2nd round | Dean O'Brien | David Porter | 6-3, 6-1 | | match details | ||
| 24.06.13 | 1st round | Dean O'Brien | Oliver Hudson | 6-1, 4-1, Oliver Hudson - retired | | match details | Turkey F25 | Hard |
| 24.06.13 | 2nd round | Dean O'Brien | Nick Lindahl | 6-2, 6-4 | | match details | ||
| 24.06.13 | 1/2 | Marat Deviatiarov | Dean O'Brien | 6-2, 6-3 | | match details | ||
| 24.06.13 | 1/4 | Dean O'Brien | Chris Cooprider | 6-4, 5-7, 6-3 | | match details | ||
| 17.06.13 | 1/4 | Ashley Hewitt | Dean O'Brien | 6-4, 6-4 | | match details |  Israel F12 | Hard |
| 17.06.13 | 1st round | Dean O'Brien | Tal Goldengoren | 6-2, 6-77, 4-1, Tal Goldengoren - retired | | match details | ||
| 17.06.13 | 2nd round | Dean O'Brien | Dor Belfer | 5-7, 6-3, 6-2 | | match details | ||
| 10.06.13 | 2nd round | Antoine Benneteau | Dean O'Brien | 7-5, 6-4 | | match details | Israel F11 | Hard |
| 10.06.13 | 1st round | Dean O'Brien | Tal Goldengoren | 7-66, 2-6, 6-4 | | match details | ||
| 03.06.13 | 2nd round | Or Ram-Harel | Dean O'Brien | 6-4, 6-2 | | match details | Israel F10 | Hard |
| 03.06.13 | 1st round | Dean O'Brien | Gal Kruchik | 6-2, 6-2 | | match details | ||
| 02.05.13 | 1/4 | Lukas Lacko | Dean O'Brien | 6-3, 6-3 | | match details |  Johannesburg Challenger | Hard |
| 01.05.13 | 2nd round | Dean O'Brien | Fabiano De Paula | 7-62, 6-75, 7-64 | | match details | ||
| 30.04.13 | 1st round | Dean O'Brien | Goran Tosic | 6-1, 7-66 | | match details | ||
| 15.04.13 | 1st round | Jean-Yves Aubone | Dean O'Brien | 6-3, 6-3 | | match details | USA F10 | Hard |
| 08.04.13 | q 2 | Dean O'Brien | Eric Gast | 6-1, 6-2 | | match details | USA F9 | Hard |
| 08.04.13 | qual. | Dean O'Brien | Cesar Bracho | 6-1, 6-0 | | match details | ||
| 08.04.13 | 1st round | Alex Bogdanovic | Dean O'Brien | 6-2, 6-1 | | match details | ||
| 25.02.13 | 2nd round | Dean O'Brien | Jan Blecha | 2-6, 6-3, 6-4 | | match details | USA F6 | Hard |
| 25.02.13 | 1/4 | Bjorn Fratangelo | Dean O'Brien | 6-2, 6-4 | | match details | ||
| 25.02.13 | 1st round | Dean O'Brien | Pierre-Hugues Herbert | 6-3, 3-6, 6-4 | | match details | ||
| 18.02.13 | q 2 | Dean O'Brien | Rodney Vickers | 6-1, 6-2 | | match details | USA F5 | Hard |
| 18.02.13 | qual. | Alexios Halebian | Dean O'Brien | 6-4, 6-3 | | match details | ||
| 04.02.13 | q 1 | Dean O'Brien | Andrew Ochotta | 4-6, 6-4, 6-3 | | match details | Mexico F3 | Hard |
| 04.02.13 | 2nd round | Theodoros Angelinos | Dean O'Brien | 7-65, 7-66 | | match details | ||
| 04.02.13 | 1st round | Dean O'Brien | Nicolas Barrientos | 6-1, 6-2 | | match details | ||
| 04.02.13 | q 2 | Dean O'Brien | Juan Carranza Novoa | 6-2, 6-2 | | match details | ||
| 04.02.13 | qual. | Dean O'Brien | Christopher Racz | 6-2, 6-2 | | match details | ||
| 28.01.13 | q 2 | Dean O'Brien | Oscar Torres | 6-2, 6-2 | | match details | Mexico F2 | Hard |
| 28.01.13 | qual. | Ernesto Escobedo | Dean O'Brien | 6-3, 4-6, 6-1 | | match details | ||
| 21.01.13 | 1st round | Michael Shabaz | Dean O'Brien | 6-0, 6-4 | | match details | Mexico F1 | Hard |
