| 1975 Japan Open Tennis Championships | |
|---|---|
| Date | 2–8 November |
| Edition | 3rd |
| Category | Grand Prix (Grade AA) |
| Draw | 64S/32D |
| Prize money | $100,000 |
| Surface | Hard / outdoor |
| Location | Tokyo, Japan |
| Venue | Denen Coliseum |
| Champions | |
| Men's singles | |
 Raúl Ramírez[1] | |
| Women's singles | |
 Kazuko Sawamatsu | |
| Men's doubles | |
 Brian Gottfried / Raúl Ramírez[2] | |
The 1975 Japan Open Tennis Championships was a combined 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 at the Denen Coliseum in Tokyo, Japan. The tournament was held from 2 November through 8 November 1975. Raúl Ramírez and Kazuko Sawamatsu won the singles titles.[3]
- ^ "1975 Tokyo Men's Singles draw". Association of Tennis Professionals (ATP).
- ^ "1975 Tokyo Men's Doubles draw". Association of Tennis Professionals (ATP).
- ^ John Barrett, ed. (1976). World of Tennis '76 : a BP and Commercial Union yearbook. London: Queen Anne Press. pp. 111, 112. ISBN 9780362002768. OCLC 650229036.