Stadium: Court 2 Round: 44 Ground: Clay
| ITF Poland F4 | 2018/05/20 07:00 | Kucbel, Filip v Piatek, Mateusz | 6-4,4-6,6-3 |
| ITF Poland F3 | 2018/05/13 11:30 | Daciek, Patrick v Piatek, Mateusz | 7-6,6-1 |
| ITF Poland F2 | 2018/05/05 11:00 | Marse-Vidri, Jordi v Piatek, Mateusz | 6-7,6-2,6-2 |
| Tunisia F15, Singles Qualifying | 2018/04/15 09:00 | Robert, Quentin v Piatek, Mateusz | 6-2,6-1 |
| Tunisia F15, Singles Qualifying | 2018/04/14 09:00 | Piatek, Mateusz v Kyrychenko, Oleksander | 7-5,6-1 |
| Tunisia F14, Singles Qualifying | 2018/04/07 11:30 | Piatek, Mateusz v Gorodynskyi, Vladyslav | 3-6,3-6 |
| ITF Tunisia F13 | 2018/04/01 09:00 | Butler, Samm v Piatek, Mateusz | 6-3,6-0 |
| ITF Tunisia F13 | 2018/03/31 11:30 | Piatek, Mateusz v Alosha Ushakov, Nikita | 6-1,6-1 |
| Challenger Sopot Qual | 2018/07/29 09:00 | Andrzejczak, Bartlomiej v Smirnov, Artem | 4-6,1-6 |
| ITF Poland F2 | 2018/05/05 08:00 | Andrzejczak, Bartlomiej v Martinez, Alex | 1-6,3-6 |
| ITF Poland F1 | 2018/04/28 10:30 | Andrzejczak, Bartlomiej v Gajewski, Kamil | 3-6,1-6 |
| ITF Poland F2 | 2017/06/17 08:00 | Taylor, Sam v Andrzejczak, Bartlomiej | 6-2,6-0 |