Stadium: Court 6 Round: 44 Ground: Clay
| ITF M15 Novi Sad | 2021/07/27 09:00 | Bozo Barun v Charles Broom | 4-6,6-7 |
| ITF M15 Novi Sad | 2021/07/26 12:00 | Tomas Jirousek v Bozo Barun | 6-3,0-6,4-10 |
| ITF M15 Novi Sad | 2021/07/25 15:00 | Bozo Barun v Alan Postay | 6-2,6-3 |
| UTR Pro Tennis Series Zadar | 2021/07/04 07:00 | Bozo Barun v Warren Sinius | 6-1,6-0 |
| UTR Pro Tennis Series Zadar | 2021/07/03 12:00 | Bozo Barun v Aleksei Khomich | 7-6,6-0 |
| UTR Pro Tennis Series Zadar | 2021/07/02 08:00 | Deni Zmak v Bozo Barun | 6-2,6-2 |
| UTR Pro Tennis Series Zadar | 2021/07/01 14:00 | Arthus De La Bassetiere v Bozo Barun | 7-6,6-2 |
| UTR Pro Tennis Series Zadar | 2021/06/30 12:00 | Ihor Dudun v Bozo Barun | 1-6,1-5 |
| ITF M15 Warmbad-Villach | 2021/08/18 14:40 | Franco Ribero v Ioannis Xilas | 6-2,6-7,6-1 |
| ITF M15 Warmbad-Villach | 2021/08/17 08:00 | Petr Hajek v Ioannis Xilas | 6-3,7-6 |
| ITF M15 Warmbad-Villach | 2021/08/15 07:00 | Matteo Meneghetti v Ioannis Xilas | 4-6,1-6 |
| ITF M15 Heraklion | 2021/05/19 08:00 | Ioannis Xilas v Yshai Oliel | 3-6,0-6 |
| ITF M15 Cairo | 2021/04/12 12:30 | Ioannis Xilas v Amr Asrawy | 3-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/04/06 07:30 | Michal Novansky v Ioannis Xilas | 6-2,5-7,13-11 |
| ITF M15 Sharm El Sheikh | 2021/03/28 09:30 | George Loffhagen v Ioannis Xilas | 6-1,6-3 |
| ITF M15 Heraklion | 2020/11/15 08:00 | Ioannis Xilas v Patrik Hartmeier | 6-1,3-6,5-10 |