| Eastern European Championship | 2020/11/24 14:15 | Brkic, Tomislav v Kekez, Duje | 6-7,7-5,3-6 |
| Eastern European Championship | 2020/11/19 11:00 | Stevens, Bart v Kekez, Duje | 7-6,6-3 |
| Eastern European Championship | 2020/11/18 10:55 | Kekez, Duje v Koray Kirci | 6-4,2-6,4-6 |
| Eastern European Championship | 2020/11/17 12:30 | Nerman Fatic v Kekez, Duje | 6-3,7-6 |
| Eastern European Championship | 2020/11/16 08:00 | Jaimee Floyd Angele v Kekez, Duje | 3-6,4-6 |
| Challenger - Split | 2020/09/26 13:55 | Clezar, Guilherme v Kekez, Duje | 6-2,6-3 |
| Adriatic Tennis Series | 2020/06/16 11:00 | Mektic, Nikola v Kekez, Duje | 6-2,6-1 |
| ITF - M15 Porec | 2020/03/09 10:15 | Kekez, Duje v Jotovski, Tomislav | 2-6,2-6 |
| Eastern European Championship | 2020/11/23 14:20 | Brkic, Tomislav v Boris Butulija | 6-3,6-3 |
| Eastern European Championship | 2020/11/20 12:00 | Boris Butulija v Mert Alkaya | 6-4,7-5 |
| Eastern European Championship | 2020/11/19 08:00 | Boris Butulija v Daniil Savelev | 6-2,6-0 |
| Eastern European Championship | 2020/11/18 09:30 | Yanais Laurent v Boris Butulija | 1-6,0-6 |
| Eastern European Championship | 2020/11/17 08:00 | Dica , Nini Gabriel v Boris Butulija | 1-6,3-6 |
| Eastern European Championship | 2020/07/29 12:30 | Miladinovic, Marko v Boris Butulija | 6-1,6-3 |
| Eastern European Championship | 2020/07/28 08:00 | Tadic, Vladan v Boris Butulija | 7-5,4-6,2-6 |
| Eastern European Championship | 2020/07/27 10:00 | Dimitar Kuzmanov v Boris Butulija | 6-0,6-0 |