Japan Open Golf Championship

The is Japan's national open golf championship. Founded in 1927, it is one of the oldest professional golf tournaments in Japan.
The Japan Open is one of the three richest tournaments on the Japan Golf Tour, with a prize fund of ¥210 million in 2021; it is also the tour's designated "Flagship event" for the purposes of the Official World Golf Ranking, with a minimum winner's points allocation of 32 points. The winner also receives an invitation to the following year's Open Championship.