stadio: Court 4 Round: 62 Ground: Clay
| 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 Sibenik | 2021/05/16 10:00 | Caspar Schuetze v Admir Kalender | 3-6,1-6 |
| ITF M15 Sibenik | 2021/04/19 10:10 | Admir Kalender v Alexis Boureau | 4-6,4-6 |
| ITF M15 Opatija | 2021/03/23 12:30 | Admir Kalender v Davide Galoppini | 2-6,0-6 |
| ITF M15 Rovigno | 2021/03/17 10:00 | Pietro Rondoni v Admir Kalender | 7-5,6-4 |
| ITF M15 Porec | 2021/03/10 10:20 | Admir Kalender v Pavel Nejedly | 2-6,1-6 |
| ITF M15 Antalya | 2021/02/03 06:30 | Admir Kalender v Gabriele Maria Noce | 3-6,7-6,8-10 |
| ITF M15 Antalya | 2021/02/02 10:00 | Alexander Weis v Admir Kalender | 3-6,6-7 |
| ITF M15 Antalya | 2021/01/28 08:00 | Admir Kalender v Jordan Hasson | 6-7,6-4,9-11 |