Stadium: Court 1 Round: 26 Ground: Clay
| ITF Poland F6 | 2018/08/07 13:10 | Maciej Rajski v Mlazga, Adam | 6-1,6-3 |
| ITF Spain F20 | 2018/07/27 17:15 | Maciej Rajski v Carlos Lopez Montagud | 1-6,5-7 |
| ITF Spain F20 | 2018/07/26 10:25 | Maciej Rajski v Guell Bartrina, Eduard | 6-3,6-2 |
| ITF Spain F20 | 2018/07/24 08:00 | Maciej Rajski v Fortuna, Claudio | 6-4,7-5 |
| ITF Spain F19 | 2018/07/20 16:10 | Giner, Marc v Maciej Rajski | 6-7,7-6,6-2 |
| ITF Spain F19 | 2018/07/18 14:00 | Carlos Sanchez Jover v Maciej Rajski | 6-7,7-5,5-7 |
| ITF Spain F19 | 2018/07/16 14:00 | Grace, Samy v Maciej Rajski | 4-6,3-6 |
| ITF Spain F18 | 2018/07/10 12:40 | Javier Barranco Cosano v Maciej Rajski | 2-6,6-3,6-4 |
| ITF Poland F6 | 2018/08/07 12:30 | Kosinski, Patryk v Skonieczny, Michal | 6-2,7-6 |
| 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 |