1975 Japan Open Tennis Championships
The 1975 Japan Open Tennis Championships was a combines men's and women's tennis tournament played on hard courts. The men's events were part of the 1975 Commercial Union Assurance Grand Prix and took place in Tokyo, Japan. The tournament was held from 2 November through 8 November 1975. Raúl Ramírez and Kazuko Sawamatsu won the singles titles.Finals
defeated Manuel Orantes 6–4, 7–5, 6–3defeated Ann Kiyomura 6–2, 3–6, 6–1/ Raúl Ramírez defeated Juan Gisbert Sr. / Manuel Orantes, 7–6, 6–4Women's Doubles
/ Kazuko Sawamatsu defeated Kayoko Fukuoka / Kiyomi Nomura 6–2, 6–3