Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2020/11/25 07:30 | Kalovelonis, Markos v Lucas Gerch | 2-6,2-6 |
| ITF - M15 Héraklion | 2020/11/18 07:30 | Evan Furness v Kalovelonis, Markos | 6-3,6-4 |
| ITF - M15 Héraklion | 2020/11/12 11:00 | Johnson, Luke v Kalovelonis, Markos | 6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2020/10/18 09:00 | Viacheslav Bielinskyi v Kalovelonis, Markos | 4-6,7-6,10-8 |
| ITF - M15 Sharm El Sheikh | 2020/10/12 09:00 | Kalovelonis, Markos v Omni Kumar | 2-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2020/10/11 11:00 | Kalovelonis, Markos v Suntic, Sabit | 6-4,6-2 |
| ITF - M15 Sharm El Sheikh | 2020/10/06 08:00 | Kalovelonis, Markos v Capecchi, Daniele | 1-6,3-6 |
| ITF - M15 Héraklion | 2020/02/27 11:05 | Jordan Correia Passos Do Carmo v Kalovelonis, Markos | 7-5,6-0 |
| ITF - M15 Monastir | 2021/03/01 08:00 | Savva Polukhin v Telles, Leonardo | 5-7,1-6 |
| ITF - M15 Monastir | 2021/02/28 10:30 | Savva Polukhin v Suntic, Sabit | 6-1,6-4 |
| ITF - M15 Monastir | 2021/01/04 09:30 | Savva Polukhin v Dahiya, Paras | 2-6,3-6 |
| ITF - M15 Monastir | 2021/01/03 11:00 | Savva Polukhin v Daiki Yoshimura | 6-2,7-5 |
| ITF - M15 Monastir | 2020/12/29 12:25 | Takeuchi, Kento (1987) v Savva Polukhin | 7-6,7-6 |
| ITF - M15 Monastir | 2020/12/22 08:30 | Breysach , Martin v Savva Polukhin | 6-4,7-5 |
| ITF M15 Getafe Madrid | 2020/11/30 11:30 | Savva Polukhin v Nathan Seateun | 3-6,7-6,7-10 |
| ITF M15 Getafe Madrid | 2020/11/29 15:00 | Savva Polukhin v Patrick Foley | 6-7,6-3,10-7 |