The 1973 Fred Perry Japan Open Tennis Championships was a combined men's and women's tennis tournament played on outdoor hard courts and took place in Tokyo, Japan. The tournament was held from 8 October through 14 October 1973. The men's events were part of the 1973 Commercial Union Assurance Grand Prix circuit and graded as B category whereas the women's competition was a non-tour event. Ken Rosewall won the men's singles title, earning him the $12,000 first prize, while Evonne Goolagong won the women's singles event and received $5,000. Finals Men's singles Ken Rosewall defeated John Newcombe, 6–1, 6–4 Men's doubles Mal Anderson / Ken Rosewall defeated Colin Dibley / Allan Stone, 7–5, 7–5 Women's singles Evonne Goolagong defeated Helga Niessen Masthoff, 6–3, 6–4 References External links Official website Association of Tennis Professionals (ATP) tournament profile Japan Open Tennis Championships Japan Open Tennis Championships Japan Open Tennis Championships Japan Open (tennis)