Stadium: Court 12 Round: 26 Ground: Clay
| ITF M15 Shymkent | 2021/05/26 04:00 | Vladyslav Manafov v Markos Kalovelonis | 2-6,6-3,3-6 |
| ITF Uzbekistan F1 | 2017/04/19 05:00 | Vladyslav Manafov v Markos Kalovelonis | 7-6,3-6,6-7 |
| ITF M15 Shymkent | 2021/06/02 11:20 | Vladyslav Manafov v Alexander Boborykin | 6-2,6-0 |
| ITF M15 Shymkent | 2021/05/26 04:00 | Vladyslav Manafov v Markos Kalovelonis | 2-6,6-3,3-6 |
| ITF M15 Shymkent | 2021/04/14 04:00 | Vladyslav Manafov v Federico Bertuccioli | 4-6,4-6 |
| ITF M15 Shymkent | 2021/04/08 03:55 | Vladyslav Manafov v Aleksandr Braynin | 6-1,1-6,4-6 |
| ITF M15 Shymkent | 2021/04/07 04:50 | Vladyslav Manafov v Aleksei Khomich | 6-1,6-4 |
| Challenger Nur-Sultan | 2021/03/04 05:00 | James Duckworth v Vladyslav Manafov | 6-2,6-7,7-5 |
| Challenger Nur-Sultan | 2021/03/02 06:10 | Aleksandr Nedovyesov v Vladyslav Manafov | 5-7,3-6 |
| Challenger Nur-Sultan | 2021/03/01 04:00 | Julian Lenz v Vladyslav Manafov | 7-6,5-7,4-6 |
| ITF M15 Shymkent | 2021/06/02 07:05 | Saba Purtseladze v Markos Kalovelonis | 0-6,3-6 |
| ITF M15 Shymkent | 2021/05/27 05:00 | Markos Kalovelonis v Ivan Liutarevich | 4-6,6-3,6-7 |
| ITF M15 Shymkent | 2021/05/26 04:00 | Vladyslav Manafov v Markos Kalovelonis | 2-6,6-3,3-6 |
| ITF M15 Tbilisi | 2021/05/20 06:00 | Markos Kalovelonis v Benjamin Lock | 4-6,4-6 |
| ITF M15 Tbilisi | 2021/05/19 07:25 | Keenan Mayo v Markos Kalovelonis | 4-6,7-6,3-6 |
| ITF M15 Antalya | 2021/04/08 07:00 | Markos Kalovelonis v Adam Pavlasek | 6-3,6-7,0-6 |
| ITF M15 Antalya | 2021/04/07 08:50 | Markos Kalovelonis v Cheong-Eui Kim | 6-2,6-4 |
| ITF M15 Monastir | 2021/03/17 10:30 | Savva Polukhin v Markos Kalovelonis | 7-6,6-4 |