Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/05 07:20 | Dusty H. Boyer v Daniil Glinka | 3-6,5-7 |
| ITF M15 Castelo Branco | 2021/07/28 13:30 | Daniil Glinka v Jean Thirouin | 5-7,7-5,4-6 |
| ITF M25 Telfs | 2021/07/14 14:00 | Daniil Glinka v Philip Bachmaier | 4-6,3-6 |
| ITF M25 Velenje | 2021/07/06 10:10 | Daniil Glinka v Ronan Joncour | 6-2,3-6,5-7 |
| ITF M15 Antalya | 2021/06/29 11:50 | Daniil Glinka v Stefanos Sakellaridis | 3-6,2-6 |
| ITF M15 Antalya | 2021/06/28 12:20 | Daniil Glinka v Samuil Konov | 6-3,6-1 |
| ITF M15 Antalya | 2021/06/27 06:30 | Daniil Glinka v Sergis Kyratzis | 3-6,6-4,10-8 |
| Challenger Almaty | 2021/06/06 08:00 | Jesper De Jong v Daniil Glinka | 6-3,6-3 |
| ITF M15 Monastir | 2021/08/05 09:30 | Coleman Wong v Matias Franco Descotte | 6-1,3-6,6-1 |
| ITF M15 Monastir | 2021/08/04 15:00 | Coleman Wong v Kody Pearson | 6-2,2-6,6-1 |
| ITF M15 Monastir | 2021/07/28 14:00 | Coleman Wong v Matias Franco Descotte | 6-7,6-3,6-7 |
| ITF M25 Gandia | 2021/07/21 11:20 | Coleman Wong v Andrey Chepelev | 4-6,4-6 |
| ITF M25 Gandia | 2021/07/20 08:00 | Coleman Wong v Vicente O Moratalla | 6-7,6-4,10-7 |
| ITF M25 Gandia | 2021/07/19 08:00 | Matvey Minin v Coleman Wong | 5-7,6-4,5-10 |
| ITF M25 Gandia | 2021/07/18 08:00 | Coleman Wong v Jordi Garcia Mestre | 6-1,6-0 |
| ITF M15 Heraklion | 2020/02/27 10:45 | Coleman Wong v Filip Cristian Jianu | 4-6,4-6 |