Stadium: Court 4 Round: 25 Ground: Clay
| Östeuropeiska mästerskapet | 2020/12/14 13:55 | Aldin Setkic v Duje Kekez | 7-6,7-5 |
| ITF M25 - Velenje | 2021/07/07 08:00 | Toby Alex Kodat v Duje Kekez | 3-6,6-1,7-5 |
| ITF M15 - Sarajevo | 2021/06/03 09:00 | Skander Mansouri v Duje Kekez | 7-5,6-4 |
| ITF M15 - Sarajevo | 2021/06/02 09:00 | Duje Kekez v Sebastian Prechtel | 6-1,6-1 |
| ITF M25 - Kiseljak | 2021/05/25 13:05 | Sebastian Prechtel v Duje Kekez | 3-6,6-3,6-4 |
| ITF M15 - Sibenik | 2021/05/19 17:55 | Duje Kekez v Dan Added | 0-6,0-6 |
| ITF M15 - Sibenik | 2021/05/18 08:30 | Duje Kekez v Julien Penzlin | 6-3,6-2 |
| ITF M15 - Sibenik | 2021/05/17 10:25 | Duje Kekez v Admir Kalender | 6-4,0-6,10-8 |
| ITF M15 - Sibenik | 2021/05/16 10:00 | Duje Kekez v Matic Dimic | 6-2,6-0 |
| ITF M25 - Velenje | 2021/07/06 09:45 | Lenny Hampel v Aldin Setkic | 3-6,6-3,6-2 |
| Challenger Prostejov | 2021/06/13 13:55 | Jelle Sels v Aldin Setkic | 6-3,6-1 |
| ITF M15 - Sarajevo | 2021/06/02 12:30 | Din Karahodza v Aldin Setkic | 6-4,6-2 |
| ITF M25 - Kiseljak | 2021/05/29 10:00 | Matheus P De Almeida v Aldin Setkic | 6-4,6-2 |
| ITF M25 - Kiseljak | 2021/05/28 14:45 | Gauthier Onclin v Aldin Setkic | 3-6,6-7 |
| ITF M25 - Kiseljak | 2021/05/27 09:00 | Bozo Barun v Aldin Setkic | 2-6,4-6 |
| ITF M25 - Kiseljak | 2021/05/26 08:00 | Lilian Breut v Aldin Setkic | 3-6,3-6 |
| ITF M15 - Sibenik | 2021/05/19 16:20 | Aldin Setkic v Timo Legout | 6-4,4-6,6-7 |