| Russia Team Championships | 2021/04/14 13:31 | Isakov, Ilya v Ovchinnikov, Egor | L | 2-3 |
| Russia Team Championships | 2021/04/13 13:40 | Liventsov, Alexey v Isakov, Ilya | L | 3-1 |
| Russia Cup of National Team | 2021/03/08 11:58 | Isakov, Ilya v Dvoynikov, Artem | L | 0-4 |
| Russia Premier League | 2021/02/25 08:20 | Isakov, Ilya v Fedotov, Petr | L | 1-3 |
| Russia Premier League | 2021/02/24 11:01 | Evgeny Regentov v Isakov, Ilya | W | 2-3 |
| Russia Premier League | 2021/02/24 05:35 | Liventsov, Alexey v Isakov, Ilya | L | 3-0 |
| Russia Premier League | 2021/02/23 08:11 | Isakov, Ilya v Filchev, Sergey | L | 1-3 |
| Russia Premier League | 2021/02/22 13:57 | Isakov, Ilya v Bokov, Maksim Andreevich | W | 3-1 |