Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Nur-Sultan | 2021/10/18 07:30 | Mikalai Haliak v Stoica, Vlad | 6-1,6-0 |
| ITF M25 Pardubice | 2021/09/22 08:00 | Alexander Weis v Mikalai Haliak | 7-6,6-4 |
| ITF M25 Pardubice | 2021/09/21 07:55 | Mikalai Haliak v Matyas Cerny | 6-3,6-1 |
| ITF M25 Pardubice | 2021/09/20 09:00 | Mikalai Haliak v Szic, Sandro | 7-6,6-4 |
| ITF M15 Zilina | 2021/09/01 11:45 | Mikalai Haliak v Lukas Pokorny | 2-6,1-6 |
| ITF M15 Bratislava | 2021/08/25 08:00 | Mikalai Haliak v Nejedly, Pavel | 6-1,3-6,1-6 |
| ITF M15 Bratislava | 2021/03/10 09:00 | Mikalai Haliak v Andrew Paulson | 6-7,1-6 |
| ITF M15 Bratislava | 2021/03/09 09:00 | Mikalai Haliak v Minarik, Kristof | 6-3,6-1 |
| ITF M25 Nur-Sultan | 2021/10/18 05:05 | Daniil Romanov v Yerassyl Yerdilda | 6-2,6-7,14-12 |
| ITF M15 Kazan | 2021/10/11 10:35 | Pavel Verbin v Daniil Romanov | 6-3,6-3 |