Stadium: Court 1 Round: 44 Ground: Clay
| ITF M15 Cairo | 2021/05/05 13:50 | Volodymyr Uzhylovskyi v Martin Dimitrov | 4-6,6-2,6-3 |
| ITF M15 Cairo | 2021/05/04 08:00 | Zachary Eisinga v Martin Dimitrov | 1-6,6-7 |
| ITF M15 Cairo | 2021/05/03 08:00 | Marco De Rosa v Martin Dimitrov | 7-6,2-6,9-11 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/10 12:00 | Martin Dimitrov v Constant De La Bassetiere | 4-6,6-4,3-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 10:00 | Johan Sebastien Tatlot v Martin Dimitrov | 6-1,6-1 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 12:00 | Lucas Bouquet v Martin Dimitrov | 6-1,5-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 10:00 | Dinko Dinev v Martin Dimitrov | 1-6,6-3,5-7 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 11:30 | Martin Dimitrov v Yurii Dzhavakian | 6-3,5-7,7-6 |
| ITF M15 Novomoskovsk | 2021/05/23 10:30 | Myroslav Bondar v Aleksandr Braynin | 4-6,1-6 |
| ITF M15 Tbilisi | 2021/05/20 06:00 | Alexander Shevchenko v Aleksandr Braynin | 7-5,6-3 |
| ITF M15 Tbilisi | 2021/05/19 06:00 | Aleksandr Braynin v Julius Tverijonas | 6-4,7-5 |
| ITF M15 Tbilisi | 2021/05/18 05:30 | Aleksandr Braynin v Ivan Kazakov | 6-2,6-2 |
| ITF M15 Tbilisi | 2021/05/17 05:30 | Aleksandr Braynin v Stefan Cizelj-Zivkovic | 6-4,6-3 |
| ITF M15 Shymkent | 2021/04/15 04:00 | Jose Fco. Vidal Azorin v Aleksandr Braynin | 6-3,1-6,6-3 |
| ITF M15 Shymkent | 2021/04/13 07:35 | Aleksandr Braynin v Piotr Pawlak | 7-5,6-3 |
| ITF M15 Shymkent | 2021/04/12 04:00 | Aleksandr Braynin v Danir Kaldybekov | 6-1,6-2 |