Kinoshita Group Japan Open

Japan Open

The Kinoshita Group Japan Open, also known as the Japan Women’s Open, is a WTA 250 event played on outdoor hard courts in Osaka, Japan. 32 singles players and 16 doubles teams compete at Utsubo Tennis Center, which holds 5,000 fans in its main stadium court. The Kinoshita Group Japan Open became a women's-only event for the first time in 2009. After a three-year hiatus, the event returned in 2023 at the WTA 250 level.