| Challenger FIBA 3x3 | 2018/05/05 09:35 | Spalato 3x3 v Yokohama City 3x3 | L | 20-16 |
| Challenger FIBA 3x3 | 2018/05/05 07:58 | Gdansk 3x3 v Yokohama City 3x3 | L | 21-11 |
| Challenger FIBA 3x3 | 2018/05/05 03:01 | Yokohama City 3x3 v George Town Youngsters 3x3 | W | 22-8 |
| Challenger FIBA 3x3 | 2018/05/04 05:38 | Surabaya BBM 3x3 v Yokohama City 3x3 | W | 16-21 |
| Challenger FIBA 3x3 | 2018/06/02 08:20 | Gdansk 3x3 v Kolobrzeg 3x3 | L | 18-15 |
| Challenger FIBA 3x3 | 2018/06/02 05:40 | Canberra 3x3 v Kolobrzeg 3x3 | W | 11-21 |
| Challenger FIBA 3x3 | 2018/06/02 05:00 | Erdenet 3x3 v Kolobrzeg 3x3 | W | 7-19 |