| Challenger FIBA 3x3 | 2018/05/12 12:00 | Belgrade 3x3 v Ulaanbaatar 3x3 | W | 18-13 |
| Challenger FIBA 3x3 | 2018/05/26 08:35 | Belgrade 3x3 v Khovd 3x3 | W | 22-9 |
| Challenger FIBA 3x3 | 2018/05/19 08:00 | Belgrade 3x3 v Adjuntas 3x3 | L | 11-14 |
| Challenger FIBA 3x3 | 2018/05/18 10:10 | Belgrade 3x3 v Tokio 3x3 | W | 17-10 |
| Challenger FIBA 3x3 | 2018/05/18 07:14 | Belgrade 3x3 v Marienbad 3x3 | W | 19-13 |
| Challenger FIBA 3x3 | 2018/05/13 07:30 | Belgrade 3x3 v Princeton 3x3 | L | 12-14 |
| Challenger FIBA 3x3 | 2018/05/12 12:00 | Belgrade 3x3 v Ulaanbaatar 3x3 | W | 18-13 |
| Challenger FIBA 3x3 | 2018/05/12 09:00 | Belgrade 3x3 v Huishan 3x3 | W | 20-6 |
| Challenger FIBA 3x3 | 2018/04/15 05:10 | Zemun 3x3 v Belgrade 3x3 | L | 19-10 |
| Challenger FIBA 3x3 | 2018/05/13 08:00 | LIMAN 3x3 v Ulaanbaatar 3x3 | L | 22-14 |
| Challenger FIBA 3x3 | 2018/05/12 12:00 | Belgrade 3x3 v Ulaanbaatar 3x3 | L | 18-13 |
| Challenger FIBA 3x3 | 2018/05/12 10:20 | Ulaanbaatar 3x3 v Huishan 3x3 | W | 22-7 |
| Challenger FIBA 3x3 | 2018/05/05 11:55 | Ulaanbaatar 3x3 v Moskwa Inanomo 3x3 | L | 15-22 |
| Challenger FIBA 3x3 | 2018/05/05 08:40 | Ulaanbaatar 3x3 v Leningrad 3x3 | W | 18-15 |
| Challenger FIBA 3x3 | 2018/04/22 09:30 | Moskwa Inanomo 3x3 v Ulaanbaatar 3x3 | L | 17-11 |
| Challenger FIBA 3x3 | 2018/04/22 07:30 | Ulaanbaatar 3x3 v Khovd 3x3 | W | 22-18 |
| Challenger FIBA 3x3 | 2018/04/21 12:20 | Ulaanbaatar 3x3 v Split 3x3 | W | 19-18 |