The 1977 Rothmans Canadian Open was a tennis tournament played on outdoor clay courts at the National Tennis Centre in Toronto in Canada that was part of the 1977 Colgate-Palmolive Grand Prix and of the 1977 WTA Tour. The tournament was held from August 15 through August 22, 1977. Finals Men's singles Jeff Borowiak defeated Jaime Fillol 6–0, 6–1 It was Borowiak's 3rd title of the year and the 8th of his career. Women's singles Regina Maršíková defeated Marise Kruger 6–4, 4–6, 6–2 It was Maršíková's 1st title of the year and the 1st of her career. Men's doubles Bob Hewitt / Raúl Ramírez defeated Fred McNair / Sherwood Stewart 6–4, 3–6, 6–2 It was Hewitt's 10th title of the year and the 40th of his career. It was Ramírez's 6th title of the year and the 53rd of his career. Women's doubles Delina Ann Boshoff / Ilana Kloss defeated Rosemary Casals / Evonne Goolagong Cawley 6–2, 6–3 It was Boshoff's 1st title of the year and the 1st of her career. It was Kloss' 1st title of the year and the 1st of her career. References External links ATP tournament profile WTA tournament profile Rothmans Canadian Open Rothmans Canadian Open Rothmans Canadian Open Rothmans Canadian Open Canadian Open (tennis)