| Challenger FIBA 3x3 | 2018/06/16 15:20 | Piran 3x3 v Nice 3x3 | W | 21-11 |
| Challenger FIBA 3x3 | 2018/06/16 12:40 | Piran 3x3 v Limassol 3x3 | W | 17-16 |
| Challenger FIBA 3x3 | 2018/06/03 08:20 | Saskatoon 3x3 v Piran 3x3 | W | 11-12 |
| Challenger FIBA 3x3 | 2018/06/02 12:20 | Piran 3x3 v Rio Preto 3x3 | W | 21-16 |
| Challenger FIBA 3x3 | 2018/06/02 08:00 | Piran 3x3 v Moskva 3x3 | L | 14-20 |
| Challenger FIBA 3x3 | 2018/05/19 10:20 | Piran 3x3 v Melbourne i-Athletic 3x3 | W | 22-9 |
| Challenger FIBA 3x3 | 2018/05/19 08:54 | Piran 3x3 v Amsterdam 3x3 | W | 18-16 |
| Challenger FIBA 3x3 | 2018/05/19 07:00 | Piran 3x3 v Tokyo 3x3 | W | 21-15 |
| Challenger FIBA 3x3 | 2018/06/16 16:00 | Gdansk 3x3 v Vitez 3x3 | W | 13-16 |
| Challenger FIBA 3x3 | 2018/06/16 14:40 | Vitez 3x3 v Paris 3x3 | L | 17-21 |
| Challenger FIBA 3x3 | 2018/05/27 11:52 | LIMAN 3x3 v Vitez 3x3 | L | 19-17 |
| Challenger FIBA 3x3 | 2018/05/27 10:00 | Vitez 3x3 v Ulaanbaatar 3x3 | W | 21-11 |
| Challenger FIBA 3x3 | 2018/05/27 08:08 | Lubiana 3x3 v Vitez 3x3 | W | 16-17 |
| Challenger FIBA 3x3 | 2018/05/26 13:25 | Vitez 3x3 v Amsterdam 3x3 | L | 11-13 |
| Challenger FIBA 3x3 | 2018/05/26 08:55 | Vitez 3x3 v Pechino Sud 3x3 | W | 21-20 |
| Challenger FIBA 3x3 | 2018/05/18 18:00 | Vitez 3x3 v Humpolec 3x3 | L | 17-21 |