Stadium: Court 3 Round: 14 Ground: Hardcourt indoor
| ITF M15 Kouvola | 2021/05/29 07:00 | Alessandro Bega v Anton Matusevich | 4-6,4-6 |
| ITF M25 Idanha-A-Nova | 2021/07/23 09:00 | Anton Matusevich v Gilbert S K Junior | 3-6,3-6 |
| ITF M25 Idanha-A-Nova | 2021/07/22 11:55 | Anton Matusevich v Luis Faria | 6-3,2-6,7-6 |
| ITF M25 Idanha-A-Nova | 2021/07/20 10:45 | Anton Matusevich v Naoki Tajima | 6-3,7-5 |
| ITF M25 Idanha-A-Nova | 2021/07/17 08:30 | Nicolas Moreno De Alboran v Anton Matusevich | 7-6,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/16 10:00 | Simon Carr v Anton Matusevich | 4-6,6-4,4-6 |
| ITF M25 Idanha-A-Nova | 2021/07/15 11:30 | Garrett Johns v Anton Matusevich | 3-6,6-1,6-7 |
| ITF M25 Idanha-A-Nova | 2021/07/13 12:15 | Thomas Fancutt v Anton Matusevich | 4-6,6-7 |
| Wimbledon | 2021/06/24 12:05 | Bernabe Zapata Miralles v Anton Matusevich | 6-2,3-6,7-6,6-7,6-3 |
| Challenger Segovia | 2021/07/26 09:00 | Nicolas Moreno De Alboran v Alessandro Bega | 6-3,4-6,6-3 |
| Challenger Segovia | 2021/07/25 10:25 | John Echeverria v Alessandro Bega | 6-7,1-6 |
| Challenger Nur-Sultan | 2021/07/20 04:00 | Alessandro Bega v Yu Hsiou Hsu | 3-6,6-1,3-6 |
| Challenger Nur-Sultan | 2021/07/13 08:25 | Max Purcell v Alessandro Bega | 2-6,6-2,7-5 |
| ITF M25 Wroclaw | 2021/07/01 09:00 | Alessandro Bega v Daniel Dutra Da Silva | 3-6,1-6 |
| ITF M25 Wroclaw | 2021/06/29 14:20 | Alessandro Bega v Wojciech Marek | 6-2,6-4 |
| ITF M15 Bergamo | 2021/06/22 18:40 | Juan Pablo Paz v Alessandro Bega | 4-6,6-0,6-3 |
| Challenger Forli | 2021/06/13 09:45 | Alessandro Bega v Lucas Gerch | 3-6,1-6 |