SGL 28
Surface Hard
DBL 16
Prize Money $2,100,000
Defending
Taylor Fritz
The Rakuten Japan Open Tennis Championships is the longest-running ATP Tour tournament in Asia, first held in 1972. The ATP 500 tournament is played at the Ariake Colosseum, an expansive tennis centre comprising 48 courts and a stadium with one of the first retractable roofs in tennis. Japan's Kei Nishikori won the 2012 and 2014 titles.