Stadium: Court 4 Round: 26 Ground: Clay
| ITF M15 Vyshkovo | 2021/09/23 07:00 | Dragos Constantin Ignat v Aleksandr Braynin | 2-6,3-6 |
| Challenger Kyiv | 2021/09/06 08:00 | Alex Rybakov v Aleksandr Braynin | 6-3,6-4 |
| Challenger Kyiv | 2021/09/05 08:00 | Aleksandr Braynin v Alexandar Lazarov | 7-6,6-4 |
| ITF M15 Chornomorsk | 2021/09/02 09:50 | Aleksandr Braynin v Ilya Snitari | 6-2,1-6,2-6 |
| ITF M15 Chornomorsk | 2021/09/01 07:00 | Vladyslav Manafov v Aleksandr Braynin | 6-7,6-7 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/18 06:00 | Aleksandr Braynin v Yanais Laurent | 6-3,5-0 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/17 07:30 | Aleksandr Braynin v Dian Nedev | 6-3,6-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/16 06:00 | Gorazd Srbljak v Aleksandr Braynin | 6-4,3-6,6-3 |
| ITF M15 Vyshkovo | 2021/09/22 14:45 | Timur Maulenov v Nathan Seateun | 1-6,3-6 |
| ITF M15 Cairo | 2021/09/18 07:50 | Leonardo Aboian v Nathan Seateun | 1-6,6-3,6-2 |
| ITF M15 Cairo | 2021/09/17 08:00 | Jakub Wojcik v Nathan Seateun | 4-6,2-6 |
| ITF M15 Cairo | 2021/09/16 08:00 | Santiago De La Fuente v Nathan Seateun | 2-6,6-1,4-6 |
| ITF M15 Cairo | 2021/09/15 08:00 | S D Prajwal Dev v Nathan Seateun | 0-6,7-6,2-6 |
| ITF M15 Huy | 2021/08/26 09:00 | Alexis Gautier v Nathan Seateun | 6-2,6-3 |
| ITF M15 Huy | 2021/08/25 09:00 | Elgin Khoeblal v Nathan Seateun | 3-6,2-6 |
| ITF M15 Cairo | 2021/08/05 10:15 | Lorenzo Bocchi v Nathan Seateun | 6-7,7-6,6-2 |