Stadium: Ustron Centrum 1 Round: 44 Ground: Clay
| Challenger Szczecin Qual | 2017/09/09 09:00 | Patryk Kosinski v Krzysztof Wetoszka | 5-7,7-5,7-6 |
| ITF Poland F3 | 2018/05/13 11:30 | Ramy Labna v Patryk Krolik | 6-4,7-5 |
| ITF Poland F2 | 2018/05/06 11:00 | Patryk Krolik v Jannik Sinner | 3-6,1-6 |
| ITF Poland F1 | 2018/04/29 10:00 | Alexandru Vasile Manole v Patryk Krolik | 3-6,6-1,6-4 |
| ITF Turkey F15 | 2018/04/15 09:30 | Patryk Krolik v Mick Veldheer | 3-6,3-6 |
| ITF Turkey F15 | 2018/04/14 09:30 | Patryk Krolik v Kayra Kargin | 6-0,6-1 |
| ITF Turkey F14 | 2018/04/09 07:30 | Milan Drinic v Patryk Krolik | 6-2,6-3 |
| ITF Turkey F14 | 2018/04/08 07:30 | Patryk Krolik v Nicolas Xiviller | 7-5,6-2 |
| ITF Turkey F14 | 2018/04/07 09:30 | Viacheslav Yulik v Patryk Krolik | 4-6,7-6,1-6 |