E-league is a service that supports the management and information dissemination of tournaments sponsored by the Amateur Baseball Federation in cooperation with various services provided by OmyuTech, such as EasyScore and Ichikyu Bulletin.com.By using E-league, pre-tournament preparation work and information input / update work during the tournament can be greatly reduced, and various public relations and information dissemination from the tournament preparation stage to the end of the tournament can be automated.E-league has a WEB version and an application version for mobile terminals, and the WEB version covers all functions from the preparation stage of the tournament to the dissemination of information after the tournament.In the app version, mainly input during the tournament such as registration of match results that are expected to be used on mobile terminals and change of match schedule, confirmation / correction of tournament information, confirmation of teams belonging to the federation and teams participating in the tournament, etc. We have the necessary related functions.① Registration of match results (inning score or match score)② Match cancellation or change schedule setting③ Related functionsConfirmation / correction of tournament informationConfirmation of teams belonging to the federation and teams participating in the tournamentConfirmation of registered stadiums and stadiums used in the tournament