Stadium: Court 1 Round: 27 Ground: Clay
| Polish National Tour | 2020/07/16 11:00 | Wojciech Marek v Yann Wojcik | 6-4,7-6 |
| ITF - M15 Lodz | 2021/08/19 08:00 | Alejo Lorenzo Lingua Lavallen v Yann Wojcik | 6-7,6-2,5-7 |
| ITF - M15 Lodz | 2021/08/18 12:55 | Yann Wojcik v Robertas Vrzesinski | 6-1,6-3 |
| ITF - M15 Lodz | 2021/08/16 08:00 | Piotr Galus v Yann Wojcik | 2-6,2-6 |
| ITF - M15 Gdynia | 2021/08/08 08:00 | Yann Wojcik v Harry Wendelken | 6-7,1-6 |
| ITF - M25 Grodzisk Mazowiecki | 2021/08/03 10:30 | Facundo Diaz Acosta v Yann Wojcik | 6-3,7-6 |
| Polish National Tour | 2021/07/10 09:30 | Maciej Rajski v Yann Wojcik | 6-3,6-3 |
| ITF - M25 Wroclaw | 2021/06/29 08:00 | Yann Wojcik v Tomas Jirousek | 2-6,4-6 |
| ITF - M25 Wroclaw | 2021/06/28 09:30 | Wilson Leite v Yann Wojcik | 5-7,7-5,8-10 |
| ITF - M15 Lodz | 2021/08/19 07:55 | Wojciech Marek v Markus Eriksson | 6-4,7-5 |
| ITF - M15 Lodz | 2021/08/18 11:25 | Wojciech Marek v Olaf Pieczkowski | 5-7,6-4,6-1 |
| ITF - M15 Gdynia | 2021/08/12 08:00 | Alejo Lorenzo Lingua Lavallen v Wojciech Marek | 3-6,6-3,6-3 |
| ITF - M15 Gdynia | 2021/08/10 14:30 | Wojciech Marek v Georgii Kravchenko | 6-4,6-2 |
| Challenger - Poznan | 2021/07/25 11:00 | Joao Domingues v Wojciech Marek | 6-3,6-0 |
| Polish National Tour | 2021/07/13 10:35 | Piotr Matuszewski v Wojciech Marek | 6-4,6-3 |
| ITF - M25 Wroclaw | 2021/06/29 14:20 | Alessandro Bega v Wojciech Marek | 6-2,6-4 |
| ITF - M15 Novomoskovsk | 2021/06/03 19:20 | Wojciech Marek v Oleksii Krutykh | 0-6,5-7 |