Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| 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 |
| Challenger - Almaty | 2021/06/14 05:30 | Beibit Zhukayev v Mohamed Safwat | 4-6,4-6 |
| Challenger - Almaty | 2021/06/08 04:00 | Andrej Martin v Beibit Zhukayev | 6-2,6-1 |
| Challenger - Nur-Sultan | 2021/07/13 04:00 | Lucas Catarina v Evgeny Karlovskiy | 4-6,2-6 |
| ITF M25 Nur-Sultan | 2021/07/09 05:00 | Yu Hsiou Hsu v Lucas Catarina | 6-2,7-5 |
| ITF M25 Nur-Sultan | 2021/07/08 10:50 | Dostanbek Tashbulatov v Lucas Catarina | 3-6,4-6 |
| ITF M25 Nur-Sultan | 2021/07/07 07:00 | Markos Kalovelonis v Lucas Catarina | 6-4,6-7,2-6 |
| ITF M25 - Bakio | 2021/07/01 14:10 | Lucas Catarina v Miguel Damas | 6-3,4-6,6-7 |
| ITF M25 - Bakio | 2021/06/30 12:35 | Lucas Catarina v Juan Bautista Otegui | 4-6,7-5,6-0 |
| Davis Cup | 2021/06/19 10:00 | Petros Chrysochos v Lucas Catarina | 4-6,6-3,6-3 |
| Davis Cup | 2021/06/17 09:30 | Lucas Catarina v Simon Carr | 4-6,4-6 |