[4] Sendai 89ers 63-75 Koshigaya Alphas [2] 2021-01-04 12:00
Stadium: Xebio Arena Round: 1
Head to Head
| Japan B League 2 | 2020/12/09 10:00 | Koshigaya Alphas v Sendai 89ers | L | 72-64 |
| Japan B League 2 | 2020/10/28 10:00 | Sendai 89ers v Koshigaya Alphas | L | 82-91 |
| Japan B League 2 | 2020/02/09 06:00 | Koshigaya Alphas v Sendai 89ers | W | 55-58 |
| Japan B League 2 | 2020/02/08 06:00 | Koshigaya Alphas v Sendai 89ers | W | 68-85 |
| Japan B League 2 | 2019/11/10 04:30 | Sendai 89ers v Koshigaya Alphas | W | 77-73 |
| Japan B League 2 | 2019/11/09 04:30 | Sendai 89ers v Koshigaya Alphas | W | 85-76 |
Home History
| Japan B League 2 | 2021/01/04 05:00 | Fighting Eagles Nagoya v Sendai 89ers | W | 66-78 |
| Japan B League 2 | 2021/01/03 09:00 | Fighting Eagles Nagoya v Sendai 89ers | L | 76-70 |
| Japan B League 2 | 2020/12/27 04:00 | Sendai 89ers v Saga Ballooners | W | 95-81 |
| Japan B League 2 | 2020/12/26 06:00 | Sendai 89ers v Saga Ballooners | L | 75-77 |
| Japan B League 2 | 2020/12/20 04:00 | Sendai 89ers v Fukushima Fire Bonds | W | 91-79 |
| Japan B League 2 | 2020/12/19 07:00 | Sendai 89ers v Fukushima Fire Bonds | W | 82-76 |
| Japan B League 2 | 2020/12/13 05:00 | Gunma Crane Thunders v Sendai 89ers | L | 79-66 |
| Japan B League 2 | 2020/12/12 08:00 | Gunma Crane Thunders v Sendai 89ers | L | 77-70 |
Away History
| Japan B League 2 | 2021/01/03 05:00 | Kumamoto Volters v Koshigaya Alphas | L | 90-85 |
| Japan B League 2 | 2021/01/02 08:00 | Kumamoto Volters v Koshigaya Alphas | W | 89-94 |
| Japan B League 2 | 2020/12/26 05:00 | Koshigaya Alphas v Aomori Wat's | W | 100-83 |
| Japan B League 2 | 2020/12/25 10:00 | Koshigaya Alphas v Aomori Wat's | W | 97-76 |
| Japan B League 2 | 2020/12/20 05:00 | Bambitious Nara v Koshigaya Alphas | W | 70-85 |
| Japan B League 2 | 2020/12/19 08:00 | Bambitious Nara v Koshigaya Alphas | L | 85-75 |
| Japan B League 2 | 2020/12/13 04:30 | Fukushima Fire Bonds v Koshigaya Alphas | W | 88-100 |
| Japan B League 2 | 2020/12/12 05:15 | Fukushima Fire Bonds v Koshigaya Alphas | W | 81-83 |