| Challenger Columbus 2 Qual |
11/19 16:20 |
45 |
Dean O'Brien
v
Hunter Tubert
|
2-6,7-6,2-6
|
|
| Challenger Bogota Qual |
11/06 15:00 |
46 |
Dean O'Brien
v
Marcelo Zormann
|
3-6,5-7
|
|
| Challenger Bogota Qual |
11/05 15:00 |
45 |
Dean O'Brien
v
Camilo Andres Erazo
|
3-6,6-2,6-3
|
|
| Others |
09/24 15:20 |
45 |
Dean O'Brien
v
Ante Pavic
|
2-6,3-6
|
|
| Challenger Izmir Qual |
09/17 09:00 |
45 |
Ruan Roelofse
v
Dean O'Brien
|
6-0,6-3
|
|
| Challenger Aptos Qual |
08/07 17:00 |
46 |
Cameron Norrie
v
Dean O'Brien
|
6-1,6-1
|
|
| Challenger Aptos Qual |
08/06 20:10 |
45 |
Michael Genender
v
Dean O'Brien
|
3-6,2-6
|
|
| Challenger Dallas Qual |
01/30 16:00 |
45 |
Dean O'Brien
v
Clay Thompson
|
4-6,2-6
|
|
| Challenger Columbus |
09/21 18:55 |
25 |
Dean O'Brien
v
Sekou Bangoura
|
3-6,1-6
|
|
| Challenger Columbus Qual |
09/20 16:10 |
44 |
Dean O'Brien
v
Herkko Pollanen
|
6-3,6-4
|
|
| ITF Uzbekistan F4 |
06/10 06:25 |
- |
Temur Ismailov
v
Dean O'Brien
|
6-2,6-1
|
|
| ITF Uzbekistan F4 |
06/09 07:40 |
- |
Dean O'Brien
v
Pavel Tsoy
|
6-3,6-4
|
|
| Challenger Drummondville Qual |
03/16 15:45 |
44 |
Adam El Mihdawy
v
Dean O'Brien
|
6-3,6-2
|
|
| ITF Canada F2 Qual |
03/08 18:00 |
- |
Dean O'Brien
v
Victor Krustev
|
2-6,7-6,4-6
|
|
| ITF Canada F1 |
03/04 16:20 |
- |
Dean O'Brien
v
Filip Veger
|
2-6,2-6
|
|
| ITF USA F28 |
10/15 18:30 |
- |
Adam El Mihdawy
v
Dean O'Brien
|
6-3,7-6
|
|
| ITF Colombia F5 |
09/11 15:00 |
- |
Dean O'Brien
v
Fabiano De Paula
|
4-6,3-6
|
|
| ITF Colombia F5 |
09/10 16:35 |
- |
Dean O'Brien
v
Pedro Bernardi
|
7-6,6-4
|
|
| ITF Colombia F4 |
08/25 16:00 |
- |
Dean O'Brien
v
Fabiano De Paula
|
6-7,3-6
|
|
| ITF France F11 |
06/18 08:00 |
- |
Nils Langer
v
Dean O'Brien
|
6-4,6-2
|
|
| ITF South Africa F3 |
06/11 09:15 |
- |
Dean O'Brien
v
Ruan Roelofse
|
4-6,4-6
|
|
| ITF South Africa F2 |
06/06 09:30 |
- |
Dean O'Brien
v
Nicolaas Scholtz
|
2-6,4-6
|
|
| ITF South Africa F2 |
06/04 09:15 |
- |
Dean O'Brien
v
Brandon Laubser
|
6-4,5-7,7-5
|
|
| ITF Mexico F3 |
05/10 15:00 |
- |
Dean O'Brien
v
Kevin King
|
3-6,2-6
|
|
| ITF Mexico F3 |
05/09 15:00 |
- |
Dean O'Brien
v
Maximiliano Estevez
|
4-6,6-0,6-1
|
|
| ITF Mexico F3 |
05/08 15:00 |
- |
Nicolas Meister
v
Dean O'Brien
|
Retired
|
|
| ITF Mexico F3 |
05/06 15:00 |
- |
Manuel Sanchez
v
Dean O'Brien
|
3-6,5-7
|
|
| ITF Mexico F2 |
05/02 15:30 |
- |
Jorge Panta
v
Dean O'Brien
|
6-2,6-2
|
|
| Challenger San Luis Potosi |
04/15 21:45 |
25 |
Marcelo Arevalo
v
Dean O'Brien
|
6-1,7-6
|
|
| Challenger San Luis Potosi Qual |
04/13 18:25 |
44 |
Dean O'Brien
v
Pavel Krainik
|
6-4,6-4
|
|