Round: 60 Ground: Clay
| ITF USA F31 | 2017/09/17 19:00 | Guilherme W Osorio v Luis Humberto Lopez | 6-1,6-4 |
| ITF Portugal F16 | 2017/08/14 09:00 | Guilherme W Osorio v Ryan Peniston | 3-6,1-6 |
| ITF Portugal F16 | 2017/08/13 10:00 | Simon Carr v Guilherme W Osorio | 4-6,5-7 |
| ITF Portugal F16 | 2017/08/12 10:00 | Manuel Montalvo Hidalgo v Guilherme W Osorio | 2-6,3-6 |
| ITF Portugal F15 | 2017/08/09 11:05 | Guilherme W Osorio v Goncalo Falcao | 3-6,2-6 |
| ITF Portugal F10 | 2017/07/03 08:00 | Guilherme W Osorio v Jordi Munoz-Abreu | 5-7,7-6,4-6 |
| ITF Portugal F9 | 2017/06/25 10:00 | Guilherme W Osorio v Benard Bruno Nkomba | 4-6,6-7 |
| ITF Portugal F9 | 2017/06/24 10:30 | Guilherme W Osorio v Pedro Gabriel Rodrigues | 6-1,6-0 |
| ITF USA F31 | 2017/09/17 19:00 | Sebastian Hawken v Pol Wattanakul | 4-6,3-6 |
| ITF Thailand F6 | 2017/08/16 03:50 | Sami Reinwein v Pol Wattanakul | 6-7,6-3,6-2 |
| ITF Thailand F6 | 2017/08/15 06:00 | Pol Wattanakul v Kittiphong Wachiramanowong | 6-3,6-2 |
| ATP Atlanta Qual | 2017/07/22 14:00 | Mitchell Krueger v Pol Wattanakul | 6-1,6-2 |
| ITF Thailand F3 | 2017/06/20 06:00 | Pol Wattanakul v Jeremy Beale | 6-7,6-7 |
| Challenger Savannah Qual | 2017/04/29 15:20 | Pol Wattanakul v Ante Pavic | 4-6,2-6 |
| ITF USA F14 | 2017/04/16 15:30 | Pol Wattanakul v Jordi Mas De Ugarte | 2-6,3-6 |
| ITF USA F13 Qual | 2017/04/08 16:00 | Christopher G Haworth v Pol Wattanakul | 3-6,7-6,6-1 |