Stadium: Court 10 Round: 25 Ground: Clay
| ITF - M15 Shymkent | 2021/04/15 06:30 | Tashbulatov, Dostanbek v Luca Tomasetto | 4-6,4-6 |
| ITF - M15 Shymkent | 2021/04/14 07:00 | Mark Whitehouse v Tashbulatov, Dostanbek | 4-6,4-6 |
| ITF - M15 Shymkent | 2021/04/09 07:10 | Aleksandr Braynin v Tashbulatov, Dostanbek | 7-6,1-6,6-4 |
| ITF - M15 Shymkent | 2021/04/08 05:30 | Denis Klok v Tashbulatov, Dostanbek | 2-6,4-6 |
| ITF - M15 Shymkent | 2021/04/07 05:40 | Tashbulatov, Dostanbek v Mark Whitehouse | 6-4,6-4 |
| Challenger Nur-Sultan Qual | 2021/02/28 04:00 | Lenz, Julian v Tashbulatov, Dostanbek | 6-4,6-3 |
| Nur Sultan, Kazakhstan | 2021/02/24 08:30 | Tashbulatov, Dostanbek v Gunneswaran, Prajnesh | 2-6,3-6 |
| ITF M15 Nur-Sultan | 2021/02/10 07:30 | Donati, Matteo v Tashbulatov, Dostanbek | 7-5,6-2 |
| Challenger Salinas 2 | 2021/04/29 16:30 | Wang, Tak Khunn v Hiroki Moriya | 0-6,6-7 |
| Challenger Salinas 2 | 2021/04/28 16:35 | Nick Chappell v Wang, Tak Khunn | 6-3,1-6,5-7 |
| Challenger Salinas 2 | 2021/04/27 14:30 | Nicolas Alvarez v Wang, Tak Khunn | 6-7,4-6 |
| Challenger Salinas 2 | 2021/04/26 19:40 | Wang, Tak Khunn v Gonzalez, Alejandro | 6-2,3-6,6-2 |
| Challenger Salinas | 2021/04/21 17:00 | Camilo Ugo Carabelli v Wang, Tak Khunn | 6-1,6-1 |
| Challenger Salinas | 2021/04/20 14:30 | Marek Gengel v Wang, Tak Khunn | 2-6,3-6 |
| Challenger Salinas | 2021/04/19 14:30 | Gonzalez, Alejandro v Wang, Tak Khunn | 2-6,6-1,0-6 |
| Challenger Salinas | 2021/04/18 15:00 | Wang, Tak Khunn v David Poljak | 6-3,6-3 |