Ground: Clay
| 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 |
| ITF Poland F4 | 2017/07/04 11:10 | Viktor Durasovic v Walkow, Szymon | 7-6,6-2 |
| ITF Poland F2 | 2017/06/19 10:55 | Eriksson Ziverts, Jonas v Walkow, Szymon | 6-3,4-6,6-1 |
| ITF Poland F2 | 2017/06/18 08:30 | Piotr Grynkowski v Walkow, Szymon | 1-6,6-3,3-6 |
| ITF Poland F1 | 2017/06/13 11:25 | Tabatruong, Maxime v Walkow, Szymon | 6-3,7-6 |
| Czech Republic F2, Singles | 2017/05/24 13:00 | Walkow, Szymon v Kristjan Tamm | 6-1,5-7,4-6 |
| ITF Czech Republic F1 Qual | 2017/05/15 08:00 | Maciej Rajski v Walkow, Szymon | 6-3,6-2 |
| ITF Poland F7 | 2017/07/25 11:00 | Barranco, Sergio v Johan Nikles | 7-5,1-6,7-5 |
| ITF Poland F6 | 2017/07/18 12:00 | Barranco, Sergio v Wagner, Bastian | 6-7,3-6 |
| ITF Poland F5 Qual | 2017/07/08 07:00 | Barranco, Sergio v Krolik, Patryk | 6-7,2-6 |
| ITF Tunisia F9 | 2017/03/05 08:00 | Luis Britto v Barranco, Sergio | 2-6,3-6 |
| ITF Tunisia F9 | 2017/03/04 10:00 | Busch, Ruben v Barranco, Sergio | 2-6,3-6 |
| ITF Morocco F8 | 2016/11/10 11:45 | Bellotti, Riccardo v Barranco, Sergio | 6-1,6-2 |
| ITF Morocco F8 | 2016/11/09 14:20 | Barranco, Sergio v Rizzuti, Giovanni | 3-6,7-6,6-1 |
| ITF Morocco F8 | 2016/11/08 13:20 | Belcora, Mohamed v Barranco, Sergio | 2-6,5-7 |