| UTR Pro Tennis Series Beograd | 2021/07/09 07:30 | Dusan Obradovic v Michalis Sakellaridis | 6-4,5-4 |
| UTR Pro Tennis Series Beograd | 2021/07/08 09:00 | Constant De La Bassetiere v Michalis Sakellaridis | 6-2,5-4 |
| UTR Pro Tennis Series Beograd | 2021/07/06 14:00 | Nikola Slavic v Michalis Sakellaridis | 6-3,6-6 |
| UTR Pro Tennis Series Beograd | 2021/07/05 07:30 | Michalis Sakellaridis v Olexiy Kolisnyk | 3-5 |
| ITF M15 Antalya | 2021/06/27 06:30 | Michalis Sakellaridis v Lorenzo Joaquin Rodriguez | 2-6,4-6 |
| ITF M15 Antalya | 2021/06/20 07:00 | Michalis Sakellaridis v Daniel Antonio Nunez | 6-7,3-6 |
| ITF M15 Antalya | 2021/06/14 07:30 | Oleg Prihodko v Michalis Sakellaridis | 6-0,6-4 |
| ITF M15 Antalya | 2021/06/13 07:30 | Michalis Sakellaridis v Credit Chaiyarin | 6-4,6-4 |
| UTR Pro Tennis Series Beograd | 2021/07/09 11:30 | Aleksei Khomich v Stefan Milicevic | 4-6,1-5 |
| UTR Pro Tennis Series Beograd | 2021/07/08 12:00 | Aleksei Khomich v Alex Kuperstein | 6-2,6-0 |
| 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 |