Shimadzu All Japan Indoor Tennis Championships

The Shimadzu All Japan Indoor Tennis Championships (島津全日本室内テニス選手権大会) is a professional tennis tournament played on indoor carpet courts founded as the All Japan Indoors in 1964. It is currently part of the International Tennis Federation (ITF) ITF Women's World Tennis Tour. From 1997 to 2018, it was part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held annually in Kyoto, Japan, since 1997.