Japan Open (table tennis)
The Japan Open is an annual table tennis tournament in Japan, run by the International Table Tennis Federation. It is currently part of the ITTF World Tour.
History
The tournament was first held in 1989, and has featured on the ITTF World Tour's schedule every year since the Tour's inception in 1996.Sweden's Jan-Ove Waldner and Germany's Timo Boll jointly hold the record for most men's singles tournament wins, with three each, while Wang Nan of China holds the record for most women's singles tournament wins, with four.
In August 2016, it was announced by the ITTF that Tokyo has been chosen as one of six cities to host a "World Tour Platinum" event in 2017. These events will replace the Super Series as the top tier of the ITTF World Tour.
Champions
Individual Events
1989–2017
| Year | Men's Singles | Women's Singles | Men's Doubles | Women's Doubles |
| 1989 |  Ma Wenge |  Chan Tan Lui |  Kiyoshi Saito Yuji Matsushita | Hu Xiaoxin Qiao Hong |
| 1990 |  Jan-Ove Waldner | Chen Zihe | Erik Lindh Jörgen Persson | Ding Yaping Li Jun |
| 1991 | Jan-Ove Waldner | Deng Yaping | Wang Yonggan Yu Shentong | Deng Yaping Qiao Hong |
| 1992 | Wang Tao | Deng Yaping | Ma Wenge Yu Shentong |  Hong Cha-ok Hyun Jung-hwa |
| 1993 | Wang Tao | Chai Po Wa | Lü Lin Wang Tao | Kim Boon-sik Park Hae-jung |
| 1994 |  Wenguan Johnny Huang | Tang Weiyi | ||
| 1995 | Ding Song | Park Hae-jung | ||
| 1996 | Ding Song | Qiao Hong | Kang Hee-chan Kim Taek-soo | Park Hae-jung Ryu Ji-hae |
| 1997 | Jan-Ove Waldner | Wang Chen | Wang Liqin Yan Sen |  Lee Eun-sil Ryu Ji-hae |
| 1998 | Kong Linghui | Li Ju | Ma Lin Wang Tao | Li Ju Wang Nan |
| 1999 |  Vladimir Samsonov | Wang Nan | Ma Lin Qin Zhijian | Sun Jin Yang Ying |
| 2000 | Wang Liqin | Wang Nan | Kong Linghui Liu Guoliang | Sun Jin Yang Ying |
| 2001 |  Chiang Peng-lung | Wang Nan | Ma Lin Wang Hao | Kim Bok-rae Kim Kyung-ah |
| 2002 |  Kalinikos Kreanga | Kim Kyung-ah |  Akira Kito Toshio Tasaki |  Jing Junhong Li Jiawei |
| 2003 |  Timo Boll | Guo Yue | Chen Qi Ma Lin | Guo Yue Niu Jianfeng |
| 2004 | Chen Qi | Zhang Yining | Wang Liqin Yan Sen | Guo Yue Niu Jianfeng |
| 2005 | Timo Boll | Zhang Yining | Timo Boll Christian Süß | Bai Yang Cao Zhen |
| 2006 | Wang Liqin | Wang Yuegu | Ma Lin Wang Hao |  Tie Ya Na Zhang Rui |
| 2007 | Wang Hao | Wang Nan | Chen Qi Wang Liqin | Guo Yue Li Xiaoxia |
| 2008 | Ma Lin | Zhang Yining | ||
| 2009 | Oh Sang-eun | Park Mi-young | Seiya Kishikawa Jun Mizutani | Sayaka Hirano Reiko Hiura |
| 2010 | Timo Boll | Wang Yuegu | Kenta Matsudaira Koki Niwa | Yuka Ishigaki Yuri Yamanashi |
| 2011 | Seiya Kishikawa | Feng Tianwei | Lin Gaoyuan Wu Jiaji | Hiroko Fujii Misako Wakamiya |
| 2012 | Jun Mizutani |  Shen Yanfei | Kim Min-seok Seo Hyun-deok | Hiroko Fujii Misako Wakamiya |
| 2013 | Masato Shiono | Ai Fukuhara | Jin Ueda Maharu Yoshimura | Gu Yuting Zhou Xintong |
| 2014 | Yu Ziyang | Feng Tianwei | Seiya Kishikawa Jun Mizutani | Ai Fukuhara Misako Wakamiya |
| 2015 | Xu Xin | Chen Meng | Ma Long Xu Xin | Liu Fei Wu Yang |
| 2016 | Fan Zhendong | Liu Shiwen | Ma Long Xu Xin | Ding Ning Li Xiaoxia |
| 2017 | Ma Long | Sun Yingsha | Ma Long Xu Xin | Chen Xingtong Sun Yingsha |
2018–present
| Year | Men's Singles | Women's Singles | Men's Doubles | Women's Doubles | Mixed Doubles |
| 2018 | Tomokazu Harimoto | Mima Ito | Jung Young-sik Lee Sang-su | Gu Yuting Mu Zi | Liang Jingkun Chen Xingtong |
| 2019 | Xu Xin | Sun Yingsha | Fan Zhendong Xu Xin | Chen Meng Liu Shiwen | Xu Xin Zhu Yuling |
Team Events
| Year | Men's Team | Women's Team |
| 1989 |  Czechoslovakia | China |
| 1990 | Sweden | China |
| 1991 | Sweden | China |
| 1992 | China | China |
| 1994 | China | China |
| 1995 | South Korea | South Korea |
| 2008 | China | China |