Stadium: Court 4 Round: 25 Ground: Clay
| Eastern European Championship | 2020/12/14 13:55 | Aldin Setkic v Kekez, Duje | 7-6,7-5 |
| ITF M25 Velenje | 2021/07/07 08:00 | Kodat, Toby Alex v Kekez, Duje | 3-6,6-1,7-5 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/06/03 09:00 | Skander Mansouri v Kekez, Duje | 7-5,6-4 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/06/02 09:00 | Kekez, Duje v Prechtel, Sebastian | 6-1,6-1 |
| ITF M25 Kiseljak | 2021/05/25 13:05 | Prechtel, Sebastian v Kekez, Duje | 3-6,6-3,6-4 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/19 17:55 | Kekez, Duje v Dan Added | 0-6,0-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/18 08:30 | Kekez, Duje v Penzlin, Julien | 6-3,6-2 |
| 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 | Kekez, Duje v Dimic, Matic | 6-2,6-0 |
| ITF M25 Velenje | 2021/07/06 09:45 | Hampel, Lenny v Aldin Setkic | 3-6,6-3,6-2 |
| Prostejov, Czech Republic | 2021/06/13 13:55 | Jelle Sels v Aldin Setkic | 6-3,6-1 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/06/02 12:30 | Karahodza, Din 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 | Barun, Bozo v Aldin Setkic | 2-6,4-6 |
| ITF M25 Kiseljak | 2021/05/26 08:00 | Breut, Lilian v Aldin Setkic | 3-6,3-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/19 16:20 | Aldin Setkic v Timo Legout | 6-4,4-6,6-7 |