1980 Japan Open Tennis Championships
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Date20–26 October
Edition7th
SurfaceClay / outdoor
LocationTokyo, Japan
| 1980 Japan Open Tennis Championships | |
|---|---|
| Date | 20–26 October |
| Edition | 7th |
| Surface | Clay / outdoor |
| Location | Tokyo, Japan |
| Venue | Denen Tennis Club |
| Champions | |
| Men's singles | |
 Ivan Lendl[1] | |
| Women's singles | |
 Mariana Simionescu[2] | |
| Men's doubles | |
 Jaime Fillol /  Ross Case[3] | |
| Women's doubles | |
 Dana Gilbert / Mareen Louie[2] | |
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.[1][2]
