| ITF - Pirot M15 | 09/19 08:15 | 44 | Luka Kalenic v Andres Gabriel Ciurletti | 6-7,4-6 | |
| ITF - Zlatibor M15 | 09/15 12:50 | 25 | Luigi Sorrentino v Luka Kalenic | 6-1,6-0 | |
| ITF - Zlatibor M15 | 09/14 10:00 | 44 | Ali Habib v Luka Kalenic | 6-3,4-6,9-11 | |
| ITF - Zlatibor M15 | 09/12 10:00 | 44 | Luka Kalenic v Francesco Ferrari | 7-6,6-3 | |
| ITF - Novi Sad M15 | 08/01 11:15 | 62 | Luka Kalenic v Taiyo Yamanaka | 0-6,1-6 |