Name: Dean O'Brien
Country: JAR
Birthdate: 15.05.90, 33 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, 33 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: I. hard
Dean O'Brien / year 2013 / surface: I. hard
| 04.11.13 | q 2 | Eric Quigley | Dean O'Brien | 6-3, 7-5 |  | match details |  Knoxville Challenger | I. hard |
| 03.11.13 | q 1 | Dean O'Brien | Andrew Dromsky | 6-2, 6-3 |  | match details | ||
| 26.10.13 | Andrey Kuznetsov | Dean O'Brien | 6-2, 6-3 | | match details |  Davis Cup | I. hard | |
| 25.10.13 | Rubber 1 | Karen Khachanov | Dean O'Brien | 7-5, 6-1, 6-3 | | match details | ||
| 16.09.13 | 1st round | Johan Sebastien Tatlot | Dean O'Brien | 6-3, 6-4 | | match details |  France F16 | I. hard |
