Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Girona | 2021/10/20 09:40 | Lorenzo Joaquin Rodriguez v Fermin Tenti | 4-6,6-4,6-7 |
| ITF M15 Platja D'Aro | 2021/10/13 12:00 | Guy Den Heijer v Fermin Tenti | 6-4,3-6,6-1 |
| ITF M15 Platja D'Aro | 2021/10/06 08:30 | Fermin Tenti v Carlos Lopez Montagud | 2-6,7-6,2-6 |
| ITF M15 Cairo | 2021/10/02 09:50 | Fermin Tenti v Lorenzo Rottoli | 0-6,3-6 |
| ITF M15 Cairo | 2021/10/01 10:30 | Gabriel Ciro Da Silva v Fermin Tenti | 6-7,6-3,6-7 |
| ITF M15 Cairo | 2021/09/30 08:30 | Lorenzo Gagliardo v Fermin Tenti | 7-6,4-6,3-6 |
| ITF M15 Cairo | 2021/09/29 07:30 | Sean Hess v Fermin Tenti | 4-6,0-6 |
| ITF M15 Cairo | 2021/09/24 10:15 | Fermin Tenti v Simone Roncalli | 2-6,4-6 |
| ITF M15 Girona | 2021/10/19 09:00 | Maks Kasnikowski v Aleksandre Metreveli | 5-7,6-2,7-5 |
| Challenger Szczecin | 2021/09/12 12:10 | Vitaliy Sachko v Maks Kasnikowski | 6-7,6-1,6-3 |
| Challenger Warsaw | 2021/08/25 15:40 | Camilo Ugo Carabelli v Maks Kasnikowski | 6-2,6-4 |
| ITF M15 Gdynia | 2021/08/11 12:30 | Petr Hajek v Maks Kasnikowski | 6-4,6-7,7-5 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 08:35 | Maks Kasnikowski v Zsombor Piros | 4-6,7-6,6-7 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/04 15:00 | Svyatoslav Ilnytskyy v Maks Kasnikowski | 2-6,3-6 |
| Challenger Poznan | 2021/07/25 13:00 | Maks Kasnikowski v Christopher Heyman | 3-6,4-6 |
| Polish National Tour | 2021/07/15 09:15 | Kamil Majchrzak v Maks Kasnikowski | 6-4,6-2 |