Stadium: Court 8 Round: 62 Ground: Clay
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/17 10:25 | Kekez, Duje v Kalender, Admir | 6-4,0-6,10-8 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/16 10:00 | Caspar Schuetze v Kalender, Admir | 3-6,1-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/19 10:10 | Kalender, Admir v Alexis Boureau | 4-6,4-6 |
| ITF - M15 Opatija | 2021/03/23 12:30 | Kalender, Admir v Galoppini, Davide | 2-6,0-6 |
| ITF - M15 Rovinj | 2021/03/17 10:00 | Rondoni, Pietro v Kalender, Admir | 7-5,6-4 |
| ITF - M15 Porec | 2021/03/10 10:20 | Kalender, Admir v Nejedly, Pavel | 2-6,1-6 |
| ITF - M15 Antalya | 2021/02/03 06:30 | Kalender, Admir v Gabriele Maria Noce | 3-6,7-6,8-10 |
| ITF - M15 Antalya | 2021/02/02 10:00 | Alexander Weis v Kalender, Admir | 3-6,6-7 |
| ITF M25 Kiseljak | 2021/05/26 09:00 | Micov, Stefan v Barun, Bozo | 4-6,1-6 |
| ITF M25 Kiseljak | 2021/05/25 08:00 | Micov, Stefan v Stevan Popovic | 5-7,7-5,10-6 |
| ITF M25 Kiseljak | 2021/05/23 07:00 | Micov, Stefan v Obrad Markovski | 6-3,6-7,10-5 |
| ITF - M15 Brcko | 2021/05/18 12:00 | Micov, Stefan v Dusan Obradovic | 1-6,4-6 |
| ITF - M15 Brcko | 2021/05/18 07:00 | Micov, Stefan v Andrej Nedic | 3-6,6-3,10-6 |
| ITF - M15 Brcko | 2021/05/16 14:00 | Micov, Stefan v Gabay, Shahar | 6-3,6-1 |
| ITF - M15 Prijedor | 2021/05/09 09:30 | Lazar Milicevic v Micov, Stefan | 6-1,6-2 |
| ITF - M15 Antalya | 2021/03/07 07:00 | Micov, Stefan v Mathys Erhard | 1-6,2-6 |