Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Kazan | 2021/03/13 08:00 | Alexey Zakharov v Alibek Kachmazov | 7-5,6-3 |
| ITF M15 Kazan | 2021/03/12 09:40 | Ivan Gakhov v Alibek Kachmazov | 3-6,7-6,3-6 |
| ITF M15 Kazan | 2021/03/11 11:55 | Alibek Kachmazov v Stepin, Alexander | 6-4,6-3 |
| ITF M15 Kazan | 2021/03/10 14:50 | Alibek Kachmazov v Noskin, Egor | 6-2,6-1 |
| Nur Sultan, Kazakhstan | 2021/03/03 06:05 | James Duckworth v Alibek Kachmazov | 6-4,5-7,7-5 |
| Nur Sultan, Kazakhstan | 2021/03/01 06:15 | Ulises Blanch v Alibek Kachmazov | 2-6,6-4,3-6 |
| ITF M15 St Petersburg | 2021/02/10 10:40 | Alibek Kachmazov v Deviatiarov, Marat | 2-6,4-6 |
| ITF M15 St Petersburg | 2021/02/07 08:00 | Alexey Zakharov v Alibek Kachmazov | 4-6,7-5,4-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/22 08:00 | Vilardo, Francesco v Kekez, Duje | 3-6,3-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/20 12:40 | Vilardo, Francesco v Petr Michnev | 6-0,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/04/08 07:30 | Vilardo, Francesco v Yuta Shimizu | 4-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/04/07 10:00 | Vilardo, Francesco v Daniel Cox | 6-4,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/04/01 07:30 | Vilardo, Francesco v Makoto Ochi | 4-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/31 07:30 | Galik, Matej v Vilardo, Francesco | 4-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2021/03/23 07:30 | Vilardo, Francesco v Neil Oberleitner | 6-2,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/03/22 07:30 | Vilardo, Francesco v Leonardo Malgaroli | 6-2,6-3 |