| Daily Pro Tour | 2020/04/07 12:11 | Firsin, Grigorii v Igor Yanushkevich | 5-7,6-3,2-6 |
| Daily Premier Tour | 2020/04/06 11:22 | Firsin, Grigorii v Igor Yanushkevich | 7-6,6-4 |
| Daily Premier Tour | 2020/04/08 04:16 | Semen Sharlay v Firsin, Grigorii | 6-3,6-3 |
| Daily Pro Tour | 2020/04/07 22:43 | Geraskin, Nikita v Firsin, Grigorii | 3-6,4-6 |
| Daily Pro Tour | 2020/04/07 12:11 | Firsin, Grigorii v Igor Yanushkevich | 5-7,6-3,2-6 |
| Daily Premier Tour | 2020/04/06 22:27 | Firsin, Grigorii v ラスカ・アンネイ | 2-6,3-6 |
| Daily Premier Tour | 2020/04/06 11:22 | Firsin, Grigorii v Igor Yanushkevich | 7-6,6-4 |
| Daily Premier Tour | 2020/04/06 00:50 | Geraskin, Nikita v Firsin, Grigorii | 6-3,6-3 |
| Daily Premier Tour | 2020/04/02 22:21 | Geraskin, Nikita v Firsin, Grigorii | 4-6,4-6 |
| Daily Premier Tour | 2020/03/20 09:53 | Riman, Edward v Firsin, Grigorii | 6-3,6-4 |
| Daily Pro Tour | 2020/04/08 08:50 | Igor Yanushkevich v Kolyshkov, Gleb | 5-7,2-6 |
| Daily Pro Tour | 2020/04/07 12:11 | Firsin, Grigorii v Igor Yanushkevich | 5-7,6-3,2-6 |
| Daily Premier Tour | 2020/04/06 11:22 | Firsin, Grigorii v Igor Yanushkevich | 7-6,6-4 |