Stadium: Court 2 Round: 25 Ground: Clay
| ITF Poland F6 Qual | 2018/08/06 10:55 | Bogatin, David v Kosinski, Patryk | 2-6,5-7 |
| ITF Poland F6 Qual | 2018/08/05 12:30 | Kosinski, Patryk v Tsebrenko, Daniil | 6-1,7-6 |
| ITF Poland F6 Qual | 2018/08/04 11:00 | Hughes, Robert v Kosinski, Patryk | 2-6,2-6 |
| Challenger Szczecin Qual | 2017/09/10 09:00 | Constant Lestienne v Kosinski, Patryk | 6-0,6-0 |
| Challenger Szczecin Qual | 2017/09/09 09:00 | Kosinski, Patryk v Wetoszka, Krzysztof | 5-7,7-5,7-6 |
| ITF Finland F1 Qual | 2018/07/28 07:00 | Skonieczny, Michal v Prandstetter, Aaron | 3-6,1-6 |
| ITF Czech Republic F5 Qual | 2018/07/01 08:00 | Piotr Grynkowski v Skonieczny, Michal | 6-2,6-3 |
| ITF Poland F4 | 2018/05/20 11:00 | Labna, Ramy v Skonieczny, Michal | 6-3,6-3 |
| ITF Egypt F3 | 2018/01/27 12:00 | Skonieczny, Michal v Kaza, Vinayak Sharma | 3-6,2-6 |
| ITF Egypt F2 | 2018/01/20 11:30 | Skonieczny, Michal v Borsos, Gabor | 3-6,2-6 |
| ITF Egypt F38 | 2017/12/11 08:30 | Skonieczny, Michal v Fellin, Manfred | 6-4,0-6,5-7 |
| ITF Egypt F38 | 2017/12/10 08:00 | Lawrence, Erroll v Skonieczny, Michal | 3-6,2-6 |
| ITF Egypt F38 | 2017/12/09 08:00 | Terence Atmane v Skonieczny, Michal | 7-6,4-6,5-7 |