| ITF M15 Sibenik | 2021/05/16 10:00 | Duje Kekez v Matic Dimic | 6-2,6-0 |
| ITF M15 Prijedor | 2021/05/11 09:50 | Duje Kekez v Federico Campana | 4-6,6-0,7-10 |
| ITF M15 Prijedor | 2021/05/10 13:30 | Duje Kekez v Valentin Lapalu | 6-4,6-4 |
| ITF M15 Prijedor | 2021/05/09 12:30 | Duje Kekez v Obrad Markovski | 6-4,6-3 |
| ITF M15 Sibenik | 2021/04/24 08:00 | David Pichler v Duje Kekez | 6-2,7-6 |
| ITF M15 Sibenik | 2021/04/23 09:40 | Mili Poljicak v Duje Kekez | 4-6,2-6 |
| ITF M15 Sibenik | 2021/04/22 08:00 | Francesco Vilardo v Duje Kekez | 3-6,3-6 |
| ITF M15 Sibenik | 2021/04/21 10:30 | Duje Kekez v Alexis Gautier | 6-4,7-6 |
| ITF M15 Heraklion | 2020/03/10 08:00 | Ioannis Xilas v Christos Keisidis | 0-6,6-4,10-6 |
| ITF M15 Heraklion | 2020/03/04 12:10 | Christos Keisidis v Antoine Cornut-Chauvinc | 5-7,2-6 |
| ITF M15 Heraklion | 2020/02/26 11:25 | Markos Kalovelonis v Christos Keisidis | 5-7,6-4,6-4 |
| 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 |