[4] Sendai 89ers 63-75 Koshigaya Alphas [2] 2021-01-31 04:00
Stadium: Xebio Arena Round: 1
Head to Head
| Japan - B League 2 | 2021/01/30 06:00 | Sendai 89ers v Koshigaya Alphas | L | 89-101 |
| 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 | 2021/01/30 06:00 | Sendai 89ers v Koshigaya Alphas | L | 89-101 |
| Japan - B League 2 | 2021/01/27 10:00 | Fukushima Fire Bonds v Sendai 89ers | W | 78-88 |
| Japan - B League 2 | 2021/01/24 04:00 | Sendai 89ers v Ehime Orange Vikings | W | 97-82 |
| Japan - B League 2 | 2021/01/23 06:00 | Sendai 89ers v Ehime Orange Vikings | L | 87-95 |
| Japan - B League 2 | 2021/01/10 05:00 | Rising Zephyr Fukuoka v Sendai 89ers | L | 72-70 |
| Japan - B League 2 | 2021/01/09 06:00 | Rising Zephyr Fukuoka v Sendai 89ers | W | 78-91 |
| 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 |
Away History
| Japan - B League 2 | 2021/01/30 06:00 | Sendai 89ers v Koshigaya Alphas | W | 89-101 |
| Japan - B League 2 | 2021/01/27 08:00 | Koshigaya Alphas v Ibaraki Robots | W | 88-83 |
| Japan - B League 2 | 2021/01/24 04:00 | Koshigaya Alphas v Kobe Storks | L | 93-104 |
| Japan - B League 2 | 2021/01/23 06:00 | Koshigaya Alphas v Kobe Storks | W | 98-89 |
| Japan - B League 2 | 2021/01/17 05:00 | Aomori Wat's v Koshigaya Alphas | W | 61-68 |
| Japan - B League 2 | 2021/01/16 09:00 | Aomori Wat's v Koshigaya Alphas | W | 86-91 |
| Japan - B League 2 | 2021/01/10 04:00 | Kagawa Five Arrows v Koshigaya Alphas | W | 76-96 |
| Japan - B League 2 | 2021/01/09 09:00 | Kagawa Five Arrows v Koshigaya Alphas | W | 73-83 |