Stadium: Court 11 (M 15) Round: 25 Ground: Clay
| 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 |
| ITF M15 Nur-Sultan | 2021/02/04 05:00 | Aleksandre Metreveli v Tashbulatov, Dostanbek | 0-6,6-4,6-4 |
| ITF - M15 Antalya | 2021/01/18 07:00 | Kalender, Admir v Tashbulatov, Dostanbek | 6-3,6-1 |
| ITF - M15 Antalya | 2021/01/17 09:00 | Cacciapuoti, Simone v Tashbulatov, Dostanbek | 1-6,2-6 |
| ITF - M15 Antalya | 2021/01/10 06:00 | Tashbulatov, Dostanbek v Jorge Martinez Martinez | 1-6,1-6 |
| ITF - M15 Antalya | 2021/01/08 06:30 | Galoppini, Davide v Tashbulatov, Dostanbek | 6-2,7-5 |
| UK Pro League | 2021/03/21 16:00 | Anton Matusevich v Mark Whitehouse | 6-2,6-7,10-6 |
| UK Pro League | 2021/03/20 15:00 | Mark Whitehouse v Daniel Cox | 7-6,1-6,10-3 |
| UK Pro League | 2021/03/19 11:15 | Mark Whitehouse v Harry Wendelken | 6-2,6-3 |
| UK Pro League | 2021/03/18 17:00 | Mark Whitehouse v Gray, Jonathan | 6-0,7-6 |
| UK Pro League | 2021/03/17 10:00 | Mark Whitehouse v Findel-Hawkins, Jack | 6-3,5-7,7-10 |
| UK Pro League | 2021/03/16 15:30 | Mark Whitehouse v Weightman, Oscar | 6-3,7-6 |
| UK Pro League | 2021/03/15 10:00 | Mark Whitehouse v Sean Hodkin | 4-6,3-6 |
| UK Pro League | 2021/03/07 10:45 | Mark Whitehouse v Recci, Mason | 6-3,6-0 |