Stadium: Hard 6 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2019/12/01 10:00 | Christos Keisidis v Clay Crawford | 4-6,7-6,5-10 |
| ITF M15 Heraklion | 2019/11/27 09:30 | Christos Keisidis v Matija Pecotic | 1-6,0-6 |
| ITF M15 Heraklion | 2019/11/26 08:00 | Christos Keisidis v Sean Hodkin | 6-3,1-6,10-8 |
| ITF M15 Heraklion | 2019/11/25 09:00 | Billy Harris v Christos Keisidis | 2-6,2-6 |
| ITF M15 Heraklion | 2019/11/24 10:30 | Christos Keisidis v Stefan Cizelj-Zivkovic | 6-4,6-2 |
| ITF M15 Zlatibor | 2019/09/16 08:00 | Christos Keisidis v Roko Horvat | 1-6,5-7 |
| ITF M15 Zlatibor | 2019/09/15 06:30 | Tadija Radovanovic v Christos Keisidis | 2-6,1-6 |
| ITF M15 Heraklion | 2019/05/28 07:00 | Christos Keisidis v Gian Marco Ortenzi | 4-6,4-6 |
| ITF M15 Heraklion | 2019/11/25 09:00 | Luca Staeheli v Dian Nedev | 6-1,6-1 |
| ITF M15 Heraklion | 2019/11/24 10:30 | Dian Nedev v Nicolas Demeroutis | 6-2,6-7,10-8 |
| ITF M15 Burgas | 2019/10/07 07:00 | Benjamin Niv v Dian Nedev | 6-1,7-5 |
| ITF M15 Burgas | 2019/10/06 08:00 | Dian Nedev v Mihailo Radosavljevic | 6-4,6-2 |
| ITF M15 Varna | 2019/09/10 08:00 | Juan Pablo Paz v Dian Nedev | 6-2,7-6 |
| ITF M15 Plovdiv | 2019/06/04 08:30 | Gorazd Srbljak v Dian Nedev | 7-6,6-0 |
| ITF M15 Plovdiv | 2019/06/03 10:00 | Dian Nedev v Vladimir Filip | 7-6,6-0 |
| ITF M15 Sozopol | 2019/05/07 10:00 | Plamen Milushev v Dian Nedev | 6-2,6-2 |