| Kinoshita Group Japan Open | |||||||||
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| Tournament information | |||||||||
| Founded | 1915[1] | ||||||||
| Location | Tokyo, Japan | ||||||||
| Venue | Ariake Coliseum Musashino Forest Sports Plaza (2018) | ||||||||
| Surface | Hard / outdoors (1915–1972, 1976–1977, 1982–2017, 2019–) Clay / outdoors (1973–1975, 1978–1981) Hard / indoors (2018) | ||||||||
| Website | japanopentennis.com | ||||||||
| Current champions (2024) | |||||||||
| Men's singles |  Arthur Fils | ||||||||
| Men's doubles |  Julian Cash Lloyd Glasspool | ||||||||
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The Japan Open (currently sponsored by Kinoshita Group) is a men's tennis tournament held in Ariake Tennis Forest Park with its center court Ariake Coliseum, located in Koto, Tokyo. It has been held since 1972. In 2018, the venue switched to the Musashino Forest Sports Plaza as the Ariake Coliseum was renovated for the tennis events at the 2020 Summer Olympics.[2] The championship includes men's singles and doubles competitions. The "All-Japan Championships" was founded in 1922 (there had been another Japanese championships held once in 1915). Before 1972, the All-Japan championships was an international event (although in many years there were few overseas competitors) but after the Japan Open began, the All-Japan championships became a national event.
- ^ "Tournaments: Japan International - Japan Open Championships". The Tennis Base. Madrid, Spain: Tennismem SL. Archived from the original on 15 May 2023. Retrieved 24 September 2023.
- ^ Gatto, Luigi (11 May 2018). "ATP 500 of Tokyo to switch venue". Tennis World USA. Retrieved 28 September 2018.