List of ITTF Pro Tour winners Japan Open Japan Open

| Year_Location | Mens_Singles | Womens_Singles | Mens_Doubles | Womens_Doubles |
|---|---|---|---|---|
| 2005 Yokohama | Timo Boll | Zhang Yining | Timo Boll Christian Süß | Bai Yang Cao Zhen |
| 2004 Kobe | Chen Qi | Zhang Yining | Wang Liqin Yan Sen | Guo Yue Niu Jianfeng |
| 2003 Kobe | Timo Boll | Guo Yue | Chen Qi Ma Lin | Guo Yue Niu Jianfeng |
| 2002 Kobe | Kalinikos Kreanga | Kim Kyung-Ah | Akira Kito Toshio Tasaki | Jing Junhong Li Jiawei |
| 2001 Yokohama | Chiang Peng-Lung | Wang Nan | Ma Lin Wang Hao | Kim Bok-Rae Kim Kyung-Ah |
| 2000 Kobe | Wang Liqin | Wang Nan | Kong Linghui Liu Guoliang | Sun Jin Yang Ying |
| 1999 Kobe | Vladimir Samsonov | Wang Nan | Ma Lin Qin Zhijian | Sun Jin Yang Ying |
| 1998 Wakayama | Kong Linghui | Li Ju | Ma Lin Wang Tao | Li Ju Wang Nan |
| 1997 Chiba | Jan-Ove Waldner | Wang Chen | Wang Liqin Yan Sen | Lee Eun-Sil Ryu Ji-Hae |