The 1980 Japan Open Tennis Championships (also known as the Hit-Union Japan & Asia Open Tennis Championships for sponsorship reasons) was a tennis tournament played on outdoor clay courts at the Denen Tennis Club in Tokyo, Japan. It was part of the 1980 Volvo Grand Prix and of the 1980 Colgate Series. The tournament ran from 20 October through 26 October 1980. Ivan Lendl and Mariana Simionescu won the singles titles.
Finals
Men's singles
Ivan Lendl defeated Eliot Teltscher, 3–6, 6–4, 6–0 It was Lendl's 5th title of the year and the 5th of his career.
Women's singles Mariana Simionescu defeated Nerida Gregory, 6–4, 6–4 It was the only singles title of Simionescu's career.
Men's doubles Jaime Fillol / Ross Case defeated Terry Moor / Eliot Teltscher, 6–3, 3–6, 6–4 It was Fillol's 3rd title of the year and the 14th of his career. It was Case's 2nd title of the year and the 20th of his career.
Women's doubles Dana Gilbert / Mareen Louie defeated Nerida Gregory / Marie Pinterová, 7–5, 7–6 It was the only doubles title of Gilbert's career. It was the 1st title of Louie's career.
References
External links ATP tournament profile WTA tournament profile