Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| Challenger St. Petersburg Qual | 2021/03/07 09:35 | Khumoyun Sultanov v Daniil Glinka | 7-6,6-4 |
| Challenger St. Petersburg | 2021/02/28 09:10 | Daniil Glinka v Skander Mansouri | 6-3,6-7,5-7 |
| ITF M15 St Petersburg Qual | 2021/02/07 12:45 | Daniil Glinka v Chad Kissell | 6-2,4-6,8-10 |
| ITF M15 St Petersburg | 2021/02/03 08:20 | Jan Choinski v Daniil Glinka | 6-1,6-4 |
| ITF M15 St Petersburg | 2021/02/01 07:00 | Daniil Glinka v Leonid Sheyngezikht | 6-3,6-4 |
| ITF M15 Parnu | 2020/11/05 08:00 | Daniil Glinka v Mick Veldheer | 6-7,6-7 |
| ITF M15 Parnu | 2020/11/03 08:00 | Daniil Glinka v Siim Troost | 6-3,6-4 |
| ITF M15 Monastir | 2020/10/24 08:30 | Wojciech Marek v Daniil Glinka | 6-3,6-4 |
| ITF M15 Pune | 2021/03/21 06:05 | Rishi Reddy v Boopathy Sakthivel | 6-3,6-0 |