Similar to ジャパンラグビートップリーグ2020

2012–13 Top League

2013–14 Top League

2014–15 Top League

2015–16 Top League

2016–17 Top League

2017 Top Challenge League

2017–18 Top League

2021 Top League

2022 Japan Rugby League One – Division 1

2022–23 Japan Rugby League One – Division 1

2023–24 Japan Rugby League One – Division 1

Early entry