| FIBA 3x3 Challenger | 2018/09/07 07:52 | Liman 3x3 v Yokohama City 3x3 | L | 21-9 |
| FIBA 3x3 Challenger | 2018/09/07 06:20 | Yokohama City 3x3 v Beijing South 3x3 | L | 13-21 |
| FIBA 3x3 Challenger | 2018/06/17 06:30 | Hague 3x3 v Yokohama City 3x3 | L | 21-16 |
| FIBA 3x3 Challenger | 2018/06/16 11:50 | Kranj 3x3 v Yokohama City 3x3 | L | 22-16 |
| FIBA 3x3 Challenger | 2018/06/16 10:10 | Yokohama City 3x3 v Ljubljana 3x3 | W | 16-15 |
| FIBA 3x3 Challenger | 2018/06/02 12:40 | Gdansk 3x3 v Yokohama City 3x3 | L | 21-14 |
| FIBA 3x3 Challenger | 2018/06/02 10:00 | Yokohama City 3x3 v Kolobrzeg 3X3 | L | 16-20 |
| FIBA 3x3 Challenger | 2018/05/05 09:35 | Split 3x3 v Yokohama City 3x3 | L | 20-16 |