| ITF Poland F6 | 2018/08/07 10:35 | Piotr Galus v Jan Zielinski | 3-6,5-7 |
| ITF M15 Sharm El Sheikh | 2020/02/26 10:00 | Piotr Galus v Soichiro Moritani | 4-6,5-7 |
| ITF M15 Sharm El Sheikh | 2020/02/25 08:00 | Oleg Khotkov v Piotr Galus | 2-6,1-6 |
| ITF M15 Sharm El Sheikh | 2020/02/24 09:00 | Piotr Galus v Dylan Salton | 6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2020/02/16 11:00 | Hanyi Liu v Piotr Galus | 6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2019/11/20 08:00 | Piotr Galus v Mariano Alberto Hasenkopf | 4-6,6-3,3-6 |
| ITF M15 Sharm El Sheikh | 2019/11/19 08:00 | Piotr Galus v Bastien Presuhn | 6-1,6-2 |
| ITF M15 Sharm El Sheikh | 2019/11/18 08:00 | Lasse Muscheites v Piotr Galus | 2-6,5-7 |
| ITF M15 Sharm El Sheikh | 2019/11/17 08:00 | Piotr Galus v Ammar Al-Shaikh | 6-0,6-0 |
| ITF M25 Sunderland | 2020/02/24 11:40 | Jan Zielinski v George Houghton | 4-6,6-3,7-10 |
| ITF M25 Sunderland | 2020/02/23 13:05 | Jan Zielinski v Harry Meehan | 4-6,6-4,11-9 |
| ITF M25 Glasgow | 2020/02/19 10:00 | Jan Zielinski v Antoine Bellier | 4-6,4-6 |
| ITF M25 Glasgow | 2020/02/17 14:25 | Jan Zielinski v Hendrik Jebens | 4-6,2-6 |
| ITF M25 Glasgow | 2020/02/16 17:40 | Jan Zielinski v Euan Mcintosh | 6-4,6-2 |
| ITF M25 Barnstaple | 2020/02/13 11:20 | Kacper Zuk v Jan Zielinski | 3-6,6-0,6-1 |
| ITF M25 Barnstaple | 2020/02/12 13:05 | Jan Zielinski v Daniel Little | 6-3,6-4 |
| ITF M25 Barnstaple | 2020/02/11 13:25 | Alexis Gautier v Jan Zielinski | 6-4,6-7,4-6 |