The 1994 Japan Open Tennis Championships was a combined men's and women's tennis tournament played on outdoor hard courts at the Ariake Coliseum in Tokyo in Japan that was part of the Championship Series of the 1994 ATP Tour and of Tier III of the 1994 WTA Tour. The tournament was held from 4 April through 11 April 1994. Pete Sampras and Kimiko Date won the singles titles.
Pete Sampras defeated Michael Chang 6âÂÂ4, 6âÂÂ2
Kimiko Date defeated Amy Frazier 7âÂÂ5, 6âÂÂ0
Henrik Holm / Anders Järryd defeated Sébastien Lareau / Patrick McEnroe 7âÂÂ6, 6âÂÂ1
Mami Donoshiro / Ai Sugiyama defeated Yayuk Basuki / Nana Miyagi 6âÂÂ4, 6âÂÂ1