Round: 25 Ground: Hardcourt indoor
| Challenger - Columbus - Qualifikation | 2015/09/20 16:10 | Dean O'Brien v Herkko Pollanen | 6-3,6-4 |
| ITF - Usbekistan F4 | 2015/06/10 06:25 | Temur Ismailov v Dean O'Brien | 6-2,6-1 |
| ITF - Usbekistan F4 | 2015/06/09 07:40 | Dean O'Brien v Pavel Tsoy | 6-3,6-4 |
| Challenger - Drummondville - Qualifikation | 2015/03/16 15:45 | Adam El Mihdawy v Dean O'Brien | 6-3,6-2 |
| ITF - Kanada F2 - Qualifikation | 2015/03/08 18:00 | Dean O'Brien v Victor Krustev | 2-6,7-6,4-6 |
| ITF - Kanada F1 | 2015/03/04 16:20 | Dean O'Brien v Filip Veger | 2-6,2-6 |
| ITF - USA F28 | 2014/10/15 18:30 | Adam El Mihdawy v Dean O'Brien | 6-3,7-6 |
| ITF - Kolumbien F5 | 2014/09/11 15:00 | Dean O'Brien v Fabiano De Paula | 4-6,3-6 |
| ITF - Kanada F9 - Qualifikation | 2015/09/14 19:45 | Raymond Sarmiento v Sekou Bangoura | 3-6,6-2,6-2 |
| ITF - Kanada F9 - Qualifikation | 2015/09/09 18:00 | Sami Reinwein v Sekou Bangoura | 6-2,1-6,1-6 |
| ITF - Kanada F9 - Qualifikation | 2015/09/08 15:30 | Patrick Daciek v Sekou Bangoura | 2-6,6-3,1-6 |
| ATP - Washington - Qualifikation | 2015/08/01 15:50 | Sekou Bangoura v Takuto Niki | 3-6,7-6,6-7 |
| ITF - USA F18 | 2015/06/28 20:00 | Emilio Gomez v Sekou Bangoura | 7-6,6-4 |
| ITF - USA F18 | 2015/06/28 15:30 | Dominic Cotrone v Sekou Bangoura | 2-6,7-6,3-6 |
| ITF - USA F18 | 2015/06/26 20:55 | Winston Lin v Sekou Bangoura | 2-6,4-6 |
| ITF - USA F18 | 2015/06/25 16:00 | Jordi Arconada v Sekou Bangoura | 0-6,6-7 |