stadio: Centre Court Round: 25 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2020/02/20 08:25 | Markos Kalovelonis v Alexis Musialek | 2-6,3-6 |
| ITF M15 Heraklion | 2020/02/19 12:55 | David Pichler v Markos Kalovelonis | 3-6,6-4,3-6 |
| Challenger Bendigo | 2020/01/13 03:15 | Steve Johnson v Markos Kalovelonis | 6-3,6-7,6-3 |
| Challenger Bendigo | 2020/01/12 00:50 | Nicholas David Ionel v Markos Kalovelonis | 4-6,6-3,2-6 |
| ITF M15 Heraklion | 2019/12/11 08:00 | Michail Pervolarakis v Markos Kalovelonis | 6-3,3-6,6-3 |
| ITF M15 Heraklion | 2019/11/27 09:30 | Marek Gengel v Markos Kalovelonis | 6-3,6-4 |
| ITF M15 Heraklion | 2019/11/21 10:05 | Markos Kalovelonis v Aidan Mchugh | 4-6,6-1,6-4 |
| ITF M15 Heraklion | 2019/11/20 09:30 | Markos Kalovelonis v Peter Bothwell | 7-6,6-1 |
| ITF M15 Heraklion | 2020/02/25 08:00 | Christos Keisidis v Nicolas Tepmahc | 6-3,4-6,13-11 |
| ITF M15 Heraklion | 2020/02/24 08:30 | Mathys Erhard v Christos Keisidis | 4-6,6-3,12-14 |
| ITF M15 Heraklion | 2020/02/20 08:25 | Guy Den Heijer v Christos Keisidis | 6-4,4-6,6-3 |
| ITF M15 Heraklion | 2020/02/18 13:05 | Jonas Trinker v Christos Keisidis | 2-6,7-6,4-6 |
| ITF M15 Heraklion | 2020/02/09 08:00 | Lodewijk Weststrate v Christos Keisidis | 6-4,6-2 |
| ITF M15 Heraklion | 2019/12/09 08:00 | Christos Keisidis v Adam Jones | 6-7,6-1,8-10 |
| ITF M15 Heraklion | 2019/12/08 10:00 | Christos Keisidis v Dian Nedev | 6-2,6-2 |
| ITF M15 Heraklion | 2019/12/01 10:00 | Christos Keisidis v Clay Crawford | 4-6,7-6,5-10 |