| UTR Pro Tennis Series Zadar | 2021/07/03 12:00 | Bozo Barun v Aleksei Khomich | 7-6,6-0 |
| UTR Pro Tennis Series Zadar | 2021/07/02 09:30 | Ryan Goetz v Aleksei Khomich | 6-1,5-1 |
| UTR Pro Tennis Series Zadar | 2021/07/01 12:45 | Alexander Kiefer v Aleksei Khomich | 6-3,5-3 |
| UTR Pro Tennis Series Zadar | 2021/06/29 12:30 | Karlo Kajin v Aleksei Khomich | 6-4,3-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/06/28 08:00 | Aleksei Khomich v Matija Pecotic | 1-6,2-5 |
| ITF M15 Shymkent | 2021/05/25 07:50 | Aleksei Khomich v Roman Nashatyrkin | 4-6,1-6 |
| ITF M15 Shymkent | 2021/05/24 06:35 | Aleksei Khomich v Adil Karakayev | 6-1,6-0 |
| ITF M15 Antalya | 2021/05/17 07:00 | Bastien Presuhn v Aleksei Khomich | 7-5,6-3 |
| UTR Pro Tennis Series Belgrado | 2021/07/06 09:00 | Giacomo Revelli v Alex Kuperstein | 6-7,6-4,0-6 |
| UTR Pro Tennis Series Belgrado | 2021/07/05 10:30 | Alex Kuperstein v Alexander Lazov | 6-4,7-5 |
| UTR Pro Tennis Series California | 2021/05/22 15:00 | Eric Hadigian v Alex Kuperstein | 3-6,5-6 |
| UTR Pro Tennis Series California | 2021/05/21 20:45 | Alexander Stater v Alex Kuperstein | 6-2,3-6,2-6 |
| UTR Pro Tennis Series California | 2021/05/20 15:00 | Joshua Ortlip v Alex Kuperstein | 6-1,5-3 |
| UTR Pro Tennis Series California | 2021/05/19 19:30 | Josh Sheehy v Alex Kuperstein | 6-3,6-5 |
| UTR Pro Tennis Series California | 2021/05/17 16:30 | R Seggerman v Alex Kuperstein | 3-6,4-6 |