| Challenger FIBA 3x3 | 2018/05/27 06:35 | LIMAN 3x3 v Belgrado 3x3 | L | 21-20 |
| Challenger FIBA 3x3 | 2018/05/26 13:05 | Belgrado 3x3 v Ulaanbaatar 3x3 | L | 14-15 |
| Challenger FIBA 3x3 | 2018/05/26 08:35 | Belgrado 3x3 v Khovd 3x3 | W | 22-9 |
| Challenger FIBA 3x3 | 2018/05/19 08:00 | Belgrado 3x3 v Adjuntas 3x3 | L | 11-14 |
| Challenger FIBA 3x3 | 2018/05/18 10:10 | Belgrado 3x3 v Tokyo 3x3 | W | 17-10 |
| Challenger FIBA 3x3 | 2018/05/18 07:14 | Belgrado 3x3 v Marienbad 3x3 | W | 19-13 |
| Challenger FIBA 3x3 | 2018/05/13 07:30 | Belgrado 3x3 v Princeton 3x3 | L | 12-14 |
| Challenger FIBA 3x3 | 2018/05/12 12:00 | Belgrado 3x3 v Ulaanbaatar 3x3 | W | 18-13 |
| Challenger FIBA 3x3 | 2018/06/16 06:51 | Vilnius 3x3 v Sarajevo 3x3 | W | 5-22 |
| Challenger FIBA 3x3 | 2018/06/16 06:00 | Escaldes 3x3 v Sarajevo 3x3 | W | 11-21 |