Stadium: Court 1 Round: 25 Ground: Clay
| Challenger - Nur-Sultan | 2021/07/22 05:00 | Andrey Kuznetsov v Beibit Zhukayev | 6-2,7-5 |
| Challenger - Nur-Sultan | 2021/07/20 05:40 | Beibit Zhukayev v Lucas Catarina | 6-2,6-4 |
| Challenger - Nur-Sultan | 2021/07/15 07:30 | Beibit Zhukayev v Jay Clarke | 3-6,3-6 |
| Challenger - Nur-Sultan | 2021/07/12 08:45 | Beibit Zhukayev v Nick Chappell | 4-6,6-3,7-6 |
| ITF M25 Nur-Sultan | 2021/07/10 05:00 | Beibit Zhukayev v Evgeny Karlovskiy | 4-6,4-6 |
| ITF M25 Nur-Sultan | 2021/07/09 07:00 | Petr Bar Biryukov v Beibit Zhukayev | 4-6,3-6 |
| ITF M25 Nur-Sultan | 2021/07/08 04:55 | Beibit Zhukayev v Jason Kubler | 1-6,7-6,7-5 |
| ITF M25 Nur-Sultan | 2021/07/07 04:00 | Beibit Zhukayev v Sergey Fomin | 7-6,7-6 |
| ITF M15 Sofia | 2021/07/07 10:45 | Simon A Ivanov v Marko Miladinovic | 7-5,6-1 |
| ITF M15 - Novomoskovsk | 2021/05/31 06:15 | Simon A Ivanov v Bruno P Navarro | 4-6,4-6 |
| ITF M15 - Novomoskovsk | 2021/05/31 06:15 | Simon A Ivanov v Svyatoslav Ilnytskyy | 6-1,6-3 |
| ITF M15 - Novomoskovsk | 2021/05/30 06:15 | Simon A Ivanov v Lorenzo Vatteroni | 6-1,6-2 |
| ITF M15 - Novomoskovsk | 2021/05/25 07:00 | Simon A Ivanov v Timur Maulenov | 6-4,5-7,7-10 |
| ITF M15 - Novomoskovsk | 2021/05/24 12:00 | Simon A Ivanov v Denis Constantin Spiridon | 7-6,6-1 |
| ITF M15 - Novomoskovsk | 2021/05/23 08:00 | Simon A Ivanov v Leyton Rivera | 6-4,6-2 |
| ITF M15 - Caïro | 2021/05/08 11:05 | Simon A Ivanov v Oliver Crawford | 7-5,6-4 |