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 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 M25 Wroclaw | 2021/06/27 12:30 | Yann Wojcik v Michal Mikula | 7-6,6-0 |
| ITF M15 Sarajevo | 2021/05/31 12:00 | Yann Wojcik v Amaury Raynel | 6-7,3-6 |
| ITF M15 Sarajevo | 2021/05/30 09:00 | Yann Wojcik v Milos Milakovic | 6-2,6-0 |
| ITF M25 Kiseljak | 2021/05/24 09:30 | Yann Wojcik v Elgin Khoeblal | 2-6,4-6 |
| 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 |
| ITF M15 Novomoskovsk | 2021/05/27 07:50 | Wojciech Marek v Oleksii Krutykh | 0-6,3-6 |
| ITF M15 Novomoskovsk | 2021/05/26 13:05 | Oleg Prihodko v Wojciech Marek | 4-6,7-6,3-6 |
| Davis Cup | 2021/03/06 11:20 | Wojciech Marek v Marcelo Arevalo | 4-6,2-6 |
| ITF M15 Nur-Sultan | 2021/02/10 03:55 | Wojciech Marek v Enrico Dalla Valle | 4-6,2-6 |