Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Gdynia | 2021/08/11 08:00 | Alejo Lorenzo Lingua Lavallen v George Loffhagen | 6-3,6-2 |
| ITF M15 Cairo | 2021/08/06 08:00 | Alejo Lorenzo Lingua Lavallen v Stefano Battaglino | 6-4,4-6,0-6 |
| ITF M15 Cairo | 2021/08/05 07:45 | Alejo Lorenzo Lingua Lavallen v Fares Zakaria | 6-1,7-5 |
| ITF M15 Cairo | 2021/08/04 09:20 | Alejo Lorenzo Lingua Lavallen v Daniel Bagnolini | 6-2,6-0 |
| ITF M15 Cairo | 2021/08/01 08:00 | Alejo Lorenzo Lingua Lavallen v Juan Bautista Torres | 6-1,1-6,5-7 |
| ITF M15 Cairo | 2021/07/31 09:30 | Mathieu Perchicot v Alejo Lorenzo Lingua Lavallen | 1-6,4-6 |
| ITF M15 Cairo | 2021/07/30 12:00 | Alejo Lorenzo Lingua Lavallen v Lorenzo Bocchi | 6-3,6-7,6-0 |
| ITF M15 Cairo | 2021/07/29 08:00 | Alejo Lorenzo Lingua Lavallen v Leonardo Aboian | 6-3,6-2 |
| 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 |
| 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 |