Stadium: Court 2 Ground: Hardcourt outdoor
| Challenger Warsaw | 2021/08/23 09:00 | Alexander Shevchenko v Bogdan Bobrov | 6-3,6-1 |
| Challenger Warsaw | 2021/08/22 10:30 | Vladyslav Manafov v Bogdan Bobrov | 7-6,4-6,3-6 |
| Challenger Luedenscheid | 2021/08/16 09:30 | Genaro Alberto Olivieri v Bogdan Bobrov | 6-1,6-2 |
| Challenger Luedenscheid | 2021/08/15 09:30 | Bogdan Bobrov v Johannes Haerteis | 1-6,6-4,6-3 |
| Challenger Meerbusch | 2021/08/08 08:00 | Bogdan Bobrov v Viktor Durasovic | 2-6,6-7 |
| Challenger Poznan | 2021/07/25 09:00 | Bogdan Bobrov v Miljan Zekic | 4-6,1-6 |
| Challenger Tampere | 2021/07/20 15:35 | Bogdan Bobrov v Pedro Cachin | 1-6,5-7 |
| Challenger Tampere | 2021/07/19 12:25 | Alexander Erler v Bogdan Bobrov | 6-4,5-7,1-6 |
| Challenger Saint-Tropez | 2021/08/29 10:00 | Tennyson Whiting v Daniil Glinka | 2-6,2-6 |
| ITF M15 Monastir | 2021/08/11 07:30 | Daniil Glinka v Santiago Rodriguez Taverna | 4-6,6-7 |
| ITF M15 Monastir | 2021/08/10 07:30 | Daniil Glinka v Drew Baird | 7-5,6-0 |
| ITF M15 Monastir | 2021/08/09 07:30 | Daniil Glinka v Boopathy Sakthivel | 6-2,6-2 |
| ITF M15 Monastir | 2021/08/08 08:30 | Daniil Glinka v Duarte Vale | 6-3,3-6,10-2 |
| ITF M15 Monastir | 2021/08/07 07:30 | Daniil Glinka v Mattia Bellucci | 4-6,3-6 |
| ITF M15 Monastir | 2021/08/06 07:30 | Daniil Glinka v Coleman Wong | 4-6,7-5,6-2 |
| ITF M15 Monastir | 2021/08/05 07:20 | Dusty H. Boyer v Daniil Glinka | 3-6,5-7 |