Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Nur-Sultan | 2021/10/27 06:10 | Denis Yevseyev v Markos Kalovelonis | 7-6,6-2 |
| ITF M25 Nur-Sultan | 2021/10/20 08:00 | Markos Kalovelonis v Dostanbek Tashbulatov | 6-3,3-6,4-6 |
| ITF M25 Pretoria | 2021/09/29 11:30 | Markos Kalovelonis v Michail Pervolarakis | 3-6,2-6 |
| ITF M25 Johannesburg | 2021/09/23 08:00 | Khololwam Montsi v Markos Kalovelonis | 6-1,6-3 |
| ITF M25 Johannesburg | 2021/09/22 08:35 | Markos Kalovelonis v Makoto Ochi | 6-4,6-4 |
| ITF M25 Lesa | 2021/08/25 10:45 | Andrea Basso v Markos Kalovelonis | 6-3,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/08/14 08:40 | Pablo Carretero v Markos Kalovelonis | 6-7,1-0 |
| UTR Pro Tennis Series Barcelona | 2021/08/12 13:00 | Markos Kalovelonis v Olexiy Kolisnyk | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/10/27 11:55 | Volodymyr Uzhylovskyi v Michael Bassem Sobhy | 7-6,6-2 |
| ITF M15 Sharm El Sheikh | 2021/10/18 08:00 | Sergei Pogosian v Michael Bassem Sobhy | 6-7,7-5,10-7 |
| ITF M15 Sharm El Sheikh | 2021/10/12 09:40 | Dean Cooper Kirby v Michael Bassem Sobhy | 7-5,6-4 |
| ITF M15 Sharm El Sheikh | 2021/10/11 07:30 | Michael Bassem Sobhy v Laelson Rodrigues | 7-6,2-6,10-7 |
| ITF M15 Cairo | 2021/09/26 10:00 | Lakshya Gupta v Michael Bassem Sobhy | 6-3,5-7,10-8 |
| ITF M15 Cairo | 2021/09/12 12:30 | Michael Bassem Sobhy v Maikel De Boes | 4-6,6-3,3-10 |
| ITF M15 Cairo | 2021/08/02 08:30 | Michael Bassem Sobhy v Menelaos Efstathiou | 3-6,1-6 |
| ITF M15 Cairo | 2021/08/01 12:30 | Michael Bassem Sobhy v Marco De Rosa | 6-0,5-7,10-4 |