Stadium: Central Hard Court Round: 25 Ground: Hardcourt outdoor
| ITF M15 Burgas | 2019/10/12 07:00 | Alexandar Lazarov v Peter Nagy | 7-5,5-7,1-6 |
| ITF M15 Burgas | 2019/10/11 12:30 | Calin Manda v Alexandar Lazarov | 7-6,0-6,4-6 |
| ITF M15 Burgas | 2019/10/11 08:00 | Tomislav Jotovski v Alexandar Lazarov | 5-7,5-7 |
| ITF M15 Burgas | 2019/10/09 13:45 | Gabriel Donev v Alexandar Lazarov | 7-5,2-6,5-7 |
| ITF M25 Jounieh | 2019/10/02 13:00 | Yan Bondarevskiy v Alexandar Lazarov | 6-4,7-5 |
| ITF M25 Jounieh | 2019/09/26 13:00 | Petros Tsitsipas v Alexandar Lazarov | 5-7,3-6 |
| ITF M25 Jounieh | 2019/09/25 16:45 | Hasan Ibrahim v Alexandar Lazarov | 0-6,1-6 |
| Cupa Davis | 2019/09/13 09:00 | Lloyd Harris v Alexandar Lazarov | 6-4,6-7,6-3 |
| ITF - M15 Antalya | 2019/10/10 09:05 | Markos Kalovelonis v Aleksandre Bakshi | 6-4,2-6,3-6 |
| ITF - M15 Antalya | 2019/10/09 07:00 | Alexander Shevchenko v Markos Kalovelonis | 6-3,6-7,4-6 |
| ITF M25 Jounieh | 2019/10/02 17:40 | Vladimir Filip v Markos Kalovelonis | 4-6,6-4,6-3 |
| ITF M25 Jounieh | 2019/09/26 14:55 | Markos Kalovelonis v Adam Moundir | 0-6,3-6 |
| ITF M25 Jounieh | 2019/09/25 17:55 | Markos Kalovelonis v Sabit Suntic | 7-5,4-6,6-1 |
| ITF M15 Moscow | 2019/08/20 09:00 | Savriyan Danilov v Markos Kalovelonis | 6-4,6-1 |
| ITF M15 Moscow | 2019/08/13 13:00 | Maxim Ratniuk v Markos Kalovelonis | 6-1,7-6 |
| ITF - M25 Nonthaburi | 2019/07/30 07:40 | Markos Kalovelonis v Yu Hsiou Hsu | 3-6,2-6 |