ATP World Tour Rakuten Japan Open Results
|At Musashino Forest Sport Plaza|
|Purse: $1.78 million (WT500)|
Richard Gasquet (8), France, def. Denis Kudla, United States, 7-6 (8), 6-3.
Frances Tiafoe, United States, def. Maxi Marterer, Germany, 7-5, 6-4.
Stan Wawrinka, Switzerland, def. Taylor Fritz, United States, 6-3, 6-4.
Jeremy Chardy, France, def. Damir Dzumhur, Bosnia-Herzegovina, 4-6, 6-3, 6-3.
Jan-Lennard Struff, Germany, def. Marin Cilic (1), Croatia, 3-6, 6-4, 7-6 (1).
Stefanos Tsitsipas (5), Greece, def. Taro Daniel, Japan, 6-1, 6-3.
Raven Klaasen, South Africa, and Michael Venus (3), New Zealand, def. Steve Johnson, United States, and Diego Schwartzman, Argentina, 7-5, 6-2.
Chung Hyeon, South Korea, and Matthew Ebden, Australia, def. Richard Gasquet and Adrian Mannarino, France, 6-4, 6-4.
Dominic Inglot, Britain, and Franko Skugor, Croatia, def. Damir Dzumhur, Bosnia-Herzegovina, and Santiago Gonzalez, Mexico, 7-6 (3), 6-2.
Robin Haase and Matwe Middelkoop, Netherlands, def. Daniil Medvedev, Russia, and Aisam-ul-Haq Qureshi, Pakistan, 6-4, 6-3.