Stadium: Sport Hall Sofia Round: 4
| Davis Cup | 2021/03/05 14:00 | Dimitar Kuzmanov v Luis Patino | 6-1,6-1 |
| Challenger Potchefstroom | 2021/02/19 08:00 | Dimitar Kuzmanov v Lucas Miedler | 7-5,2-6,2-6 |
| Challenger Potchefstroom | 2021/02/17 10:30 | Dimitar Kuzmanov v Tristan Lamasine | 7-5,7-6 |
| Challenger Potchefstroom | 2021/02/15 13:05 | Jay Clarke v Dimitar Kuzmanov | 7-5,3-6,6-7 |
| Challenger Potchefstroom | 2021/02/12 11:55 | Dimitar Kuzmanov v Cem Ilkel | 6-4,3-6,2-6 |
| Challenger Potchefstroom | 2021/02/11 08:00 | Dimitar Kuzmanov v Elliot Benchetrit | 6-2,7-5 |
| Challenger Potchefstroom | 2021/02/09 10:15 | Prajnesh Gunneswaran v Dimitar Kuzmanov | 3-6,4-6 |
| Challenger Antalya | 2021/02/01 11:30 | Dimitar Kuzmanov v Facundo Mena | 6-2,4-6,0-6 |
| Davis Cup | 2021/03/05 15:10 | Adrian Andreev v Gerardo L Villasenor | 6-3,1-6,2-6 |
| ITF M25 Vale Do Lobo | 2021/02/24 12:10 | Gerardo L Villasenor v Pedro Araujo | 4-6,1-6 |
| ITF M15 Antalya | 2021/02/16 07:00 | Oleksii Krutykh v Gerardo L Villasenor | 6-1,7-5 |
| ITF M15 Antalya | 2021/02/08 07:00 | Gerardo L Villasenor v Sebastian Gima | 6-3,1-6,7-10 |
| ITF M15 Antalya | 2021/02/07 06:00 | Gerardo L Villasenor v Valentin Vanta | 6-4,6-7,10-8 |
| ITF M15 Antalya | 2021/02/01 11:00 | Gerardo L Villasenor v Nicolo Turchetti | 3-6,2-6 |
| ITF M15 Torello | 2020/12/08 10:00 | Gerardo L Villasenor v Luca Nardi | 3-6,6-3,4-6 |
| ITF M15 Madrid | 2020/12/03 09:00 | Alvaro Lopez San Martin v Gerardo L Villasenor | 6-2,6-4 |