Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Antalya | 2021/04/19 07:00 | Michel Vernier v Daniil Gusev | 6-1,6-1 |
| ITF M15 Antalya | 2021/04/11 07:00 | Daniil Gusev v Edward Hubner | 4-6,7-6,5-10 |
| ITF M15 Antalya | 2021/04/04 06:30 | Danylo Veremeychuk v Daniil Gusev | 6-0,6-1 |
| ITF M15 Antalya | 2021/03/07 07:00 | Caspar Schuetze v Daniil Gusev | 6-7,7-6,10-7 |
| ITF M15 Antalya | 2021/02/28 11:00 | Daniil Gusev v Carlo Alberto Fossati | 2-6,0-6 |
| ITF M15 Antalya | 2021/01/28 08:00 | Edward Hubner v Daniil Gusev | 6-3,7-6 |
| ITF M15 Antalya | 2021/01/17 09:00 | Egor Noskin v Daniil Gusev | 6-4,5-7,10-5 |
| ITF M15 Antalya | 2021/01/10 09:30 | Daniil Gusev v Gianmarco Ferrari | 2-6,2-6 |
| ITF M15 Shymkent | 2021/06/02 11:20 | Vladyslav Manafov v Alexander Boborykin | 6-2,6-0 |
| ITF M15 Shymkent | 2021/06/01 05:00 | Pavel Verbin v Alexander Boborykin | 7-6,6-7,9-11 |
| ITF M15 Shymkent | 2021/05/31 08:20 | Victor Gurevich v Alexander Boborykin | 0-6,2-6 |
| ITF M15 Shymkent | 2021/05/24 07:25 | Roman Nashatyrkin v Alexander Boborykin | 7-5,6-1 |
| ITF M15 Tbilisi | 2021/05/19 06:00 | Zura Tkemaladze v Alexander Boborykin | 6-3,3-6,6-3 |
| ITF M15 Tbilisi | 2021/05/18 05:30 | Sergo Sikharulidze v Alexander Boborykin | 6-7,4-6 |
| ITF M15 Tbilisi | 2021/05/17 05:30 | Danial Rakhmatullayev v Alexander Boborykin | 3-6,2-6 |
| ITF M15 Kazan | 2021/03/09 09:20 | Yaraslav Shyla v Alexander Boborykin | 6-3,6-3 |