[4] Koshigaya Alphas 105-103 Ibaraki Robots [2] 2021-04-24 05:00
Stadium: Koshigaya Municipal Gymnasium Round: 1
Head to Head
| Japonia - B League 2 | 2021/04/23 10:00 | Koshigaya Alphas v Ibaraki Robots | W | 77-75 |
| Japonia - B League 2 | 2021/04/15 10:00 | Ibaraki Robots v Koshigaya Alphas | L | 101-89 |
| Japonia - B League 2 | 2021/01/27 08:00 | Koshigaya Alphas v Ibaraki Robots | W | 88-83 |
| Japonia - B League 2 | 2020/11/08 05:00 | Ibaraki Robots v Koshigaya Alphas | W | 91-92 |
| Japonia - B League 2 | 2020/11/07 08:00 | Ibaraki Robots v Koshigaya Alphas | L | 101-91 |
| Japonia - B League 2 | 2019/11/03 06:00 | Koshigaya Alphas v Ibaraki Robots | L | 95-100 |
| Japonia - B League 2 | 2019/11/02 06:00 | Koshigaya Alphas v Ibaraki Robots | W | 98-82 |
| Amicale intercluburi | 2019/08/17 03:20 | Ibaraki Robots v Koshigaya Alphas | L | 84-54 |