Stadium: Court 1 Round: 14 Ground: Hardcourt outdoor
| ITF Uzbekistan F4 | 2017/06/08 05:00 | Sanjar Fayziev v Markos Kalovelonis | 7-6,7-5 |
| ITF M15 Monastir | 2021/03/17 10:30 | Savva Polukhin v Markos Kalovelonis | 7-6,6-4 |
| ITF M15 Monastir | 2021/03/07 08:00 | Markos Kalovelonis v Savva Polukhin | 5-7,6-4,6-10 |
| ITF M15 Heraklion | 2020/11/25 07:30 | Markos Kalovelonis v Lucas Gerch | 2-6,2-6 |
| ITF M15 Heraklion | 2020/11/18 07:30 | Evan Furness v Markos Kalovelonis | 6-3,6-4 |
| ITF M15 Heraklion | 2020/11/12 11:00 | Luke Johnson v Markos Kalovelonis | 6-3,6-3 |
| ITF M15 Sharm El Sheikh | 2020/10/18 09:00 | Viacheslav Bielinskyi v Markos Kalovelonis | 4-6,7-6,10-8 |
| ITF M15 Sharm El Sheikh | 2020/10/12 09:00 | Markos Kalovelonis v Omni Kumar | 2-6,5-7 |
| ITF M15 Sharm El Sheikh | 2020/10/11 11:00 | Markos Kalovelonis v Sabit Suntic | 6-4,6-2 |
| ITF M15 Kazan | 2021/03/12 07:00 | Yanki Erel v Sanjar Fayziev | 6-3,3-6,6-3 |
| ITF M15 Kazan | 2021/03/11 09:10 | Sergei Pogosian v Sanjar Fayziev | 0-6,3-6 |
| ITF M15 Kazan | 2021/03/09 12:25 | Boris Pokotilov v Sanjar Fayziev | 5-7,2-6 |
| ITF M15 Antalya | 2020/12/17 07:35 | Ivan Nedelko v Sanjar Fayziev | 6-4,6-1 |
| ITF M15 Antalya | 2020/12/16 13:05 | Sanjar Fayziev v Vladislav Ivanov | 6-3,6-1 |
| ITF M15 Antalya | 2020/12/10 06:50 | Sanjar Fayziev v Luciano Darderi | 6-3,4-6,5-7 |
| ITF M15 Antalya | 2020/12/08 09:00 | Vladyslav Orlov v Sanjar Fayziev | 4-6,4-6 |
| ITF M15 Antalya | 2020/12/01 09:00 | Sanjar Fayziev v Yanki Erel | 2-6,1-6 |