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Western Conference
Eastern Conference
Central Conference
Quarter-finals
Semi-finals
Final
Semi-finals
Final
Final
2017/18 Main
Western Conference
| Pl | W | L | PCT | |||
| 1 | Ryukyu | 60 | 42 | 18 | 4495:4064 | 0.700 |
| 2 | Kyoto | 60 | 34 | 26 | 4683:4710 | 0.567 |
| 3 | Shiga | 60 | 24 | 36 | 4418:4616 | 0.400 |
| 4 | Osaka | 60 | 24 | 36 | 4418:4570 | 0.400 |
| 5 | Nishinomiya | 60 | 12 | 48 | 4328:5003 | 0.200 |
| 6 | Shimane | 60 | 11 | 49 | 4253:4776 | 0.183 |
Eastern Conference
| Pl | W | L | PCT | |||
| 1 | Chiba | 60 | 46 | 14 | 5072:4409 | 0.767 |
| 2 | Alvark | 60 | 44 | 16 | 4754:4265 | 0.733 |
| 3 | Brave Thunders | 60 | 41 | 19 | 4942:4573 | 0.683 |
| 4 | Utsunomiya Brex | 60 | 34 | 26 | 4494:4387 | 0.567 |
| 5 | Sun Rockers Shibuya | 60 | 28 | 32 | 4276:4410 | 0.467 |
| 6 | Hokkaido | 60 | 26 | 34 | 4766:4844 | 0.433 |
Central Conference
| Pl | W | L | PCT | |||
| 1 | SeaHorses Mikawa | 60 | 48 | 12 | 5078:4670 | 0.800 |
| 2 | Diamond Dolphins | 60 | 31 | 29 | 4753:4771 | 0.517 |
| 3 | Niigata | 60 | 28 | 32 | 4857:4882 | 0.467 |
| 4 | NeoPhoenix | 60 | 25 | 35 | 4370:4492 | 0.417 |
| 5 | Toyama | 60 | 24 | 36 | 4644:4824 | 0.400 |
| 6 | Yokohama | 60 | 18 | 42 | 4522:4857 | 0.300 |
2017/18 Play Offs
Quarter-finals
| 1 | SeaHorses Mikawa (1) | Utsunomiya Brex (4) | 2 : 0 |
| 2 | Alvark (2) | Kyoto (2) | 2 : 0 |
| 3 | Chiba (1) | Brave Thunders (3) | 2 : 1 |
| 4 | Ryukyu (1) | Diamond Dolphins (2) | 2 : 1 |
Semi-finals
| 1 | SeaHorses Mikawa (1) | Alvark (2) | 0 : 2 |
| 2 | Chiba (1) | Ryukyu (1) | 2 : 0 |
Final
| 1 | Alvark (2) | Chiba (1) | 85 : 60 |
2017/18 Play Out
Semi-finals
| 1 | Toyama (5) | Shimane (6) | 2 : 1 |
| 2 | Yokohama (6) | Nishinomiya (5) | 2 : 1 |
Final
| 1 | Toyama (5) | Yokohama (6) | 76 : 79 |
2017/18 Relegation
Final
| 1 | Toyama | Kumamoto | 88 : 85 |
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