Stadium: Court 1 Round: 14 Ground: Hardcourt outdoor
| ITF M25 Nur-Sultan | 2021/07/06 05:55 | Petr Bar Biryukov v Danil Ozernoy | 6-3,7-6 |
| ITF M25 Nur-Sultan | 2021/07/05 04:00 | Grigory Kuklin v Danil Ozernoy | 5-7,2-6 |
| Challenger Almaty Qual | 2021/06/13 08:00 | Filip Cristian Jianu v Danil Ozernoy | 6-2,6-1 |
| ITF M15 Shymkent | 2021/06/02 10:10 | Danil Ozernoy v Alexander Shevchenko | 2-6,2-6 |
| ITF M15 Shymkent | 2021/05/26 04:00 | Pavel Verbin v Danil Ozernoy | 7-6,4-6,7-5 |
| ITF M15 Shymkent | 2021/04/12 06:40 | Piotr Pawlak v Danil Ozernoy | 6-1,7-6 |
| ITF M15 Shymkent | 2021/04/07 07:25 | Bulat Galiev v Danil Ozernoy | 6-4,6-1 |
| ITF M15 Shymkent | 2021/04/06 07:40 | Kirill Kolganov v Danil Ozernoy | 6-7,2-6 |
| Challenger Nur-Sultan | 2021/07/12 06:30 | Yan Bondarevskiy v Benjamin Lock | 2-6,7-6,6-2 |
| Challenger Nur-Sultan | 2021/07/11 06:20 | Vladyslav Manafov v Benjamin Lock | 6-7,3-6 |
| ITF M25 Nur-Sultan | 2021/07/06 09:15 | Vladyslav Manafov v Benjamin Lock | 6-3,6-4 |
| ITF M15 Bergamo | 2021/06/23 11:25 | Daniele Capecchi v Benjamin Lock | 6-4,5-7,6-4 |
| Challenger Forli | 2021/06/13 15:45 | Benjamin Lock v Francesco Forti | 6-2,1-6,4-6 |
| ITF M15 Gaiba | 2021/06/13 09:30 | Mats Rosenkranz v Benjamin Lock | 7-6,7-6 |
| ITF M15 Gaiba | 2021/06/12 12:35 | Antoine Bellier v Benjamin Lock | 6-7,6-2,6-7 |
| ITF M15 Gaiba | 2021/06/11 10:00 | Benjamin Lock v Tobias Simon | 6-2,6-3 |