japan j2 leagueProfitable Tips for J2 League. This page is a collection of football betting tips and predictions for the Japan J2 League. We cover a wide-range of markets, such as Overs and Unders, BothJapan - J2 League. 2019-2028. Japan - J3 League. 2019-2028. Japan - WE League. 2021-2029. Saudi Arabia - Women's Premier League. 2025-2025. Spain - Segunda Division. 2025-2028.