The Kansai League is the major college football league in West Japan. The top two teams of the Kansai League advance to the playoff series for the West Japan championship. The winner of the West Japan championship plays against the winner of the East Japan championship in the Kōshien Bowl in December.
For the 2021 season the Kansai Collegiate American Football Association again changed the format due to the COVID-19 pandemic in order to reduce the number of games. In the Division 1 is split into two Blocks (A and B). Each team plays three regular season games followed by permutation games. The permutation game between the two first place teams determines the Kansai League champion.
| Block A | | |
Week 1 |
10/2 | Kōbe University Ravens | Kinki University Devils | 10-17 |
10/2 | Ritsumeikan University Panthers | Momoyama Thundering Legion Lions | 79-0 |
Week 2 |
10/16 | Momoyama Thundering Legion Lions | Kōbe University Ravens | 14-35 |
10/16 | Ritsumeikan University Panthers | Kinki University Devils | 42-0 |
Week 3 |
10/30 | Kinki University Devils | Momoyama Thundering Legion Lions | 34-19 |
10/31 | Kōbe University Ravens | Ritsumeikan University Panthers | 21-45 |
Team | W | L | T | PF | PA | Pts |
Ritsumeikan University Panthers | 3 | 0 | 0 | 166 | 21 | 6 |
Kinki University Devils | 2 | 1 | 0 | 51 | 71 | 4 |
Kōbe University Ravens | 1 | 2 | 0 | 66 | 76 | 2 |
Momoyama Gakuin University Thundering Legion Lions | 0 | 3 | 0 | 33 | 148 | 0 |
|
| Block B | | |
Week 1 |
10/3 | Kyōto University Gangsters | Kansai University Kaisers | 14-35 |
10/3 | Dōshisha University Wild Rover | Kwansei Gakuin University Fighters | 7-48 |
Week 2 |
10/17 | Kwansei Gakuin University Fighters | Kyōto University Gangsters | 45-0 |
10/17 | Kansai University Kaisers | Dōshisha University Wild Rover | 34-6 |
Week 3 |
10/30 | Kyōto University Gangsters | Dōshisha University Wild Rover | 10-13 |
10/31 | Kwansei Gakuin University Fighters | Kansai University Kaisers | 20-10 |
Team | W | L | T | PF | PA | Pts |
Kwansei Gakuin University Fighters | 3 | 0 | 0 | 113 | 17 | 6 |
Kansai University Kaisers | 2 | 1 | 0 | 79 | 40 | 4 |
Dōshisha University Wild Rover | 1 | 2 | 0 | 26 | 92 | 2 |
Kyōto University Gangsters | 0 | 3 | 0 | 24 | 93 | 0 |
|
| Permutation Games | | |
11/13 | Kōbe University Ravens | Dōshisha University Wild Rover | 22-10 |
11/13 | Kinki University Devils | Kansai University Kaisers | 26-48 |
11/14 | Momoyama Thundering Legion Lions | Kyōto University Gangsters | 13-16 |
11/14 | Ritsumeikan University Panthers | Kwansei Gakuin University Fighters | 25-28 |
|
| West Japan Championship | 1st Round - Playoff 1 | |
11/13 | Seinan Gakuin Uni. Green Dolphins | Hiroshima University Raccoons | 24-7 |
| West Japan Championship | 1st Round - Playoff 2 | |
11/13 | Chūkyō University Eagles | Fukui Prefectural University Wilders | 48-11 |
| West Japan Championship | 2nd Round - Playoff 3 | |
11/20 | Kansai University Kaisers | Seinan Gakuin Uni. Green Dolphins | 72-7 |
| West Japan Championship | 2nd Round - Playoff 4 | |
11/20 | Ritsumeikan University Panthers | Chūkyō University Eagles | 49-7 |
| West Japan Championship | Semifinal - Playoff 5 | |
11/27 | Kansai University Kaisers | Ritsumeikan University Panthers | 17-18 |
| West Japan Championship Game | | |
12/5 | Kwansei Gakuin University Fighters | Ritsumeikan University Panthers | 34-24 |
| Kōshien Bowl | | |
12/19 | Hōsei University Orange | Kwansei Gakuin University Fighters | 7-47 |
|
| Replacement Games | | |
11/27 | Kyōto University Gangsters | Kōbe Gakuin University Navy Seals | 23-0 |
11/27 | Momoyama Thundering Legion Lions | Kōnan University Red Gang | 13-31 |
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Hometowns: Dōshisha, Kyōto, Ritsumeikan (all Kyōto), Kansai, Kinki, Momoyama Gakuin (all Ōsaka), Kōbe (Kōbe), Kwansei Gakuin (Nishinomiya-Uegahara).
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