1985 Japan Open Tennis Championships

The 1985 Japan Open Tennis Championships was a Grand Prix tennis tournament held in Tokyo, Japan. The tournament was held from 14 to 20 October 1985 and was played on outdoor hard courts. Scott Davis and Gabriela Sabatini won the singles titles.

Finals

Men's singles

Scott Davis defeated Jimmy Arias 6–1, 7–6

Women's singles

Gabriela Sabatini defeated Linda Gates 6–3, 6–4

Men's doubles

Scott Davis / David Pate defeated Sammy Giammalva Jr. / Greg Holmes 7–6, 6–7, 6–3

Women's doubles

Belinda Cordwell / Julie Richardson defeated Laura Gildemeister / Beth Herr 6–4, 6–4