| UTR Pro Tennis Series Zadar | 2021/06/29 08:00 | Ihor Dudun v Deni Zmak | 3-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/06/28 09:30 | Arthus De La Bassetiere v Ihor Dudun | 3-6,6-1,6-1 |
| UTR Pro Tennis Series - Barcelona | 2021/06/25 11:00 | Xavier Gabarro v Ihor Dudun | 6-2,5-1 |
| UTR Pro Tennis Series - Barcelona | 2021/06/23 09:30 | Kuzey Cekirge v Ihor Dudun | 6-0,5-1 |
| UTR Pro Tennis Series - Barcelona | 2021/06/22 12:30 | Tristan Meraut v Ihor Dudun | 6-4,3-5 |
| UTR Pro Tennis Series - Barcelona | 2021/06/21 14:00 | Ihor Dudun v David Perez Sanz | 1-6,6-3,6-4 |
| UTR Pro Tennis Series Bukurešť | 2021/06/03 07:30 | Ihor Dudun v Mihai Razvan Marinescu | 0-6,1-5 |
| UTR Pro Tennis Series Bukurešť | 2021/06/02 12:00 | Ihor Dudun v Warren Sinius | 4-6,0-6 |
| UTR ProTennis Series Zadar | 2021/06/28 09:30 | Vito Tonejc v Bozo Barun | 6-3,3-6,5-3 |
| ITF M15 Sarajevo | 2021/06/02 10:50 | Bozo Barun v Matheus P De Almeida | 3-6,2-6 |
| ITF M15 Sarajevo | 2021/06/01 10:30 | Bozo Barun v Matej Galik | 6-3,4-6,10-7 |
| ITF M15 Sarajevo | 2021/05/31 12:00 | Bozo Barun v Nicolas Zanellato | 6-3,6-1 |
| ITF M15 Sarajevo | 2021/05/31 08:00 | Bozo Barun v Ivan Randjelovic | 6-0,6-2 |
| ITF M25 Kiseljak | 2021/05/27 09:00 | Bozo Barun v Aldin Setkic | 2-6,4-6 |
| ITF M25 Kiseljak | 2021/05/26 09:00 | Stefan Micov v Bozo Barun | 4-6,1-6 |
| ITF M25 Kiseljak | 2021/05/25 08:00 | Bozo Barun v Goran Zivotic | 6-0,6-0 |