Round: 25
| ITF Portugal F19 | 2017/09/23 11:20 | Monteiro, Joao v Gil, Fred | 4-6,2-6 |
| ITF Portugal F19 | 2017/09/22 13:45 | Monteiro, Joao v Jandric, Darko | 6-1,6-2 |
| ITF Portugal F19 | 2017/09/21 10:00 | Monteiro, Joao v Voljacques, Hugo | 6-3,7-6 |
| Challenger Alphen | 2017/09/06 10:00 | Monteiro, Joao v Moraing, Mats | 3-6,0-6 |
| ITF Portugal F18 | 2017/08/31 12:30 | Artunedo Martinav. v Monteiro, Joao | 3-6,6-3,6-4 |
| ITF Portugal F18 | 2017/08/30 13:00 | Rodrigues, Daniel v Monteiro, Joao | 1-6,1-6 |
| ITF Portugal F17 | 2017/08/27 08:30 | Monteiro, Joao v Gil, Fred | 7-6,6-2 |
| ITF Portugal F17 | 2017/08/26 11:00 | Monteiro, Joao v Altug Celikbilek | 6-4,6-4 |
| ITF Poland F11 | 2017/08/30 11:10 | Gawron, Marcin v Walkow, Szymon | 6-1,6-4 |
| ITF Poland F11 | 2017/08/29 10:30 | Walkow, Szymon v Smola, Maciej | 2-6,6-3,6-4 |
| ITF Poland F8 | 2017/08/01 09:15 | Kacper Zuk v Walkow, Szymon | 5-7,6-3,6-1 |
| ITF Poland F7 | 2017/07/29 10:00 | David Jorda Sanchis v Walkow, Szymon | 6-3,4-6,6-4 |
| ITF Poland F7 | 2017/07/28 07:00 | Walkow, Szymon v Barranco, Sergio | 6-1,7-6 |
| ITF Poland F7 | 2017/07/28 07:00 | Walkow, Szymon v Barranco, Sergio | 6-1,7-6 |
| ITF Poland F7 | 2017/07/25 11:25 | Vasheshnikov, Artem v Walkow, Szymon | 7-6,5-7,2-6 |
| ITF Poland F5 | 2017/07/12 10:30 | Cancel, Thibault v Walkow, Szymon | 2-6,7-6,6-1 |