Stadium: Court 8 Round: 45 Ground: Clay
| ITF Netherlands F6 | 2018/08/30 08:00 | Янн Войцик v Матьё Перчикот | 1-6,6-3,3-6 |
| ITF Poland F8 | 2018/08/19 11:00 | Mlazga, Krzysztof v Янн Войцик | 6-3,6-3 |
| ITF Poland F7 | 2018/08/13 08:00 | Назарюк, Доминик v Янн Войцик | 6-4,7-6 |
| ITF Poland F7 | 2018/08/12 08:00 | Russo, Cristiano v Янн Войцик | 6-4,6-7,4-6 |
| Poland F6, Singles Qualifying | 2018/08/06 08:00 | Янн Войцик v Лукас Хелльфритш | 6-7,4-6 |
| Challenger Sopot Qual | 2018/07/28 12:05 | Янн Войцик v Ян Зелински | 2-6,6-2,3-6 |
| ITF Georgia F1 | 2018/07/07 11:00 | Янн Войцик v Шахин Кхаледан | 6-7,3-6 |
| ITF Poland F4 | 2018/05/22 07:30 | Данте Дженнаро v Янн Войцик | 6-3,6-2 |
| ITF Poland F8 | 2018/08/18 08:00 | Поинтон, Самуэль v Kosinski, Patryk | 7-6,6-2 |
| ITF Poland F7 | 2018/08/11 11:00 | Kosinski, Patryk v Piatek, Mateusz | 5-7,2-6 |
| ITF Poland F6 | 2018/08/09 14:50 | Мацей Райски v Kosinski, Patryk | 6-3,6-4 |
| ITF Poland F6 | 2018/08/07 12:30 | Kosinski, Patryk v Мичал Сконечны | 6-2,7-6 |
| Poland F6, Singles Qualifying | 2018/08/06 10:55 | Девид Богатин v Kosinski, Patryk | 2-6,5-7 |
| Poland F6, Singles Qualifying | 2018/08/05 12:30 | Kosinski, Patryk v Tsebrenko, Daniil | 6-1,7-6 |
| Poland F6, Singles Qualifying | 2018/08/04 11:00 | Hughes, Robert v Kosinski, Patryk | 2-6,2-6 |
| Challenger Szczecin Qual | 2017/09/10 09:00 | Констант Лестьенн v Kosinski, Patryk | 6-0,6-0 |