| UTR Pro Tennis Series Amsterdam | 2021/11/02 09:00 | Ivan Denisov v Deney Wassermann | 6-2,4-6,3-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/01 09:00 | Ivan Denisov v Michiel de Krom | 3-6,3-5 |
| ITF M25 Nur-Sultan | 2021/10/28 07:15 | Filip Peliwo v Ivan Denisov | 7-5,6-2 |
| ITF M25 Nur-Sultan | 2021/10/27 06:25 | Ivan Denisov v Aliaksandr Liaonenka | 6-3,6-4 |
| ITF M25 Nur-Sultan | 2021/10/26 06:25 | Ivan Denisov v Maksim Maslov | 6-2,6-0 |
| ITF M25 Nur-Sultan | 2021/10/25 08:55 | Ivan Denisov v Yan Brek | 6-0,6-0 |
| ITF M25 Nur-Sultan | 2021/10/19 05:10 | Ivan Denisov v Piotr Pawlak | 6-2,1-6,9-11 |
| ITF M25 Nur-Sultan | 2021/10/18 07:35 | Ivan Denisov v Aleksandr Lobanov | 6-2,6-4 |
| UTR Pro Tennis Series Amsterdam | 2021/11/02 10:30 | Michiel de Krom v Edison Ambarzumjan | 6-1,6-1 |
| UTR Pro Tennis Series Mulheim | 2021/10/16 14:00 | Edison Ambarzumjan v Jose Antonio Rodriguez Rodriguez | 2-6,2-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/14 13:00 | Edison Ambarzumjan v Tim Sandkaulen | 3-6,0-5 |
| UTR Pro Tennis Series Mulheim | 2021/10/13 10:00 | Edison Ambarzumjan v Yurii Dzhavakian | 3-6,4-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/12 08:30 | Edison Ambarzumjan v Constantin Schmitz | 2-6,2-5 |
| UTR Pro Tennis Series Mulheim | 2021/10/11 07:00 | Edison Ambarzumjan v Jing L Weng | 1-6,1-6 |
| UTR Pro Tennis Series Mulheim | 2021/09/25 07:00 | Pablo Carretero v Edison Ambarzumjan | 6-4,6-2 |
| UTR Pro Tennis Series Mulheim | 2021/09/24 08:00 | Edison Ambarzumjan v Artem Podorozhnyi | 1-6,3-5 |