| UTR Pro Tennis Series - Brasov | 2021/10/27 07:00 | Vasile Antonescu v Roman Boychuk | 6-4,5-0 |
| UTR Pro Tennis Series - Brasov | 2021/10/26 08:30 | Edris Fetisleam v Roman Boychuk | 3-6,7-6,6-4 |
| ITF - M15 Chornomorsk | 2021/09/02 07:00 | Julius Tverijonas v Roman Boychuk | 6-2,6-2 |
| ITF - M15 Chornomorsk | 2021/09/01 07:00 | Roman Boychuk v Georgii Kravchenko | 6-3,6-0 |
| ITF - M15 Chornomorsk | 2021/08/30 10:30 | Roman Boychuk v Vasil Yehorov | 6-2,6-1 |
| ITF - M15 Chornomorsk | 2021/08/30 07:00 | Anatoliy Petrenko v Roman Boychuk | 2-6,2-6 |
| ITF - M15 Novomoskovsk | 2021/05/31 06:15 | Vasil Yehorov v Roman Boychuk | 3-6,1-6 |
| ITF - M15 Novomoskovsk | 2021/05/31 06:15 | Gabriel Donev v Roman Boychuk | 6-1,6-0 |
| UTR Pro Tennis Series - Brasov | 2021/10/26 08:30 | Vasile Antonescu v Ioan Alexandru Chirita | 1-6,3-6 |
| UTR Pro Tennis Series - Brasov | 2021/10/25 10:00 | Ioan Alexandru Chirita v Vladimir Popov | 6-2,6-2 |
| UTR Pro Tennis Series - Sofia | 2021/09/04 07:00 | Ioan Alexandru Chirita v Volodymyr Uzhylovskyi | 4-3 |
| UTR Pro Tennis Series - Sofia | 2021/09/03 10:00 | Ioan Alexandru Chirita v Mihael Mihaylov | 7-5,5-3 |
| UTR Pro Tennis Series - Sofia | 2021/09/02 11:30 | Ioan Alexandru Chirita v Tadija Radovanovic | 6-1,6-5 |
| UTR Pro Tennis Series - Sofia | 2021/09/01 06:30 | Ioan Alexandru Chirita v Veselin Kiselkov | 6-2,6-2 |
| UTR Pro Tennis Series - Sofia | 2021/08/31 11:00 | Ioan Alexandru Chirita v Adriano Dzhenev | 6-3,2-6,0-5 |
| UTR Pro Tennis Series - Sofia | 2021/08/30 10:00 | Ioan Alexandru Chirita v Simeon Terziev | 4-6,6-3,3-6 |