2026/27 2025/26 2024/25 2023/24
Western Conference
Eastern Conference
Promotion ~ B2.League (Play Offs: )
Quarter-finals
Semi-finals
Final
3rd place
2023/24 Main
Western Conference
| Pl | W | L | PCT | |||
| 1 | Shiga | 60 | 44 | 16 | 5180:4743 | 0.733 |
| 2 | Fukuoka | 60 | 36 | 24 | 4678:4560 | 0.600 |
| 3 | Kumamoto | 60 | 33 | 27 | 5110:5119 | 0.550 |
| 4 | Shizuoka | 60 | 29 | 31 | 4863:4861 | 0.483 |
| 5 | Kobe | 60 | 29 | 31 | 4792:4714 | 0.483 |
| 6 | Nara | 60 | 24 | 36 | 4482:4660 | 0.400 |
| 7 | Ehime Orange Vikings | 60 | 23 | 37 | 4753:5019 | 0.383 |
Eastern Conference
| Pl | W | L | PCT | |||
| 1 | Altiri Chiba | 60 | 56 | 4 | 5506:4624 | 0.933 |
| 2 | Koshigaya Alphas | 60 | 35 | 25 | 5019:4530 | 0.583 |
| 3 | Yamagata Wyverns | 60 | 31 | 29 | 4898:5054 | 0.517 |
| 4 | Aomori | 60 | 29 | 31 | 5131:5247 | 0.483 |
| 5 | Fukushima | 60 | 24 | 36 | 4901:5074 | 0.400 |
| 6 | Iwate | 60 | 20 | 40 | 4336:4551 | 0.333 |
| 7 | Niigata | 60 | 7 | 53 | 4371:5264 | 0.117 |
Promotion ~ B2.League (Play Offs: )
2023/24 Play Offs
Quarter-finals
| 1 | Shiga (1) | Aomori (4) | 2 : 1 |
| 2 | Fukuoka (2) | Yamagata Wyverns (3) | 1 : 2 |
| 3 | Altiri Chiba (1) | Shizuoka (4) | 2 : 0 |
| 4 | Koshigaya Alphas (2) | Kumamoto (3) | 2 : 0 |
Semi-finals
| 1 | Shiga (1) | Yamagata Wyverns (3) | 2 : 0 |
| 2 | Altiri Chiba (1) | Koshigaya Alphas (2) | 0 : 2 |
Final
| 1 | Shiga (1) | Koshigaya Alphas (2) | 2 : 0 |
3rd place
| 2 | Yamagata Wyverns (3) | Altiri Chiba (1) | 0 : 2 |
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