1977 Japan Open Tennis Championships Tags: Tennis Tournament, Tournament.The 1977 Japan Open Tennis Championships was a tennis tournament played on hard courts and part of the 1977 Colgate-Palmolive Grand Prix and took place in Tokyo Japan. The tournament was held from October 31 through November 6 1977. champion in double male Kim Warwick, Geoff Masters champion in single male Manuel Orantes Learn more... Loading...