The 1973 Rothmans Canadian Open was a tennis tournament played on outdoor clay courts at the Toronto Lawn Tennis Club in Toronto in Canada that was part of the 1973 Commercial Union Assurance Grand Prix and of the 1973 WTA Tour. The tournament was held from August 20 through August 26, 1973. Finals Men's singles Tom Okker defeated Manuel Orantes 6–3, 6–2, 6–1 It was Okker's 12th title of the year and the 45th of his career. Women's singles Evonne Goolagong defeated Helga Niessen Masthoff 7–6, 6–4 It was Goolagong's 6th title of the year and the 37th of her career. Men's doubles Rod Laver / Ken Rosewall defeated Owen Davidson / John Newcombe 7–5, 7–6 It was Laver's 9th title of the year and the 45th of his career. It was Rosewall's 6th professional title of the year and the 28th of his career. Women's doubles Evonne Goolagong / Peggy Michel defeated Martina Navratilova / Helga Niessen Masthoff 6–3, 6–2 It was Goolagong's 7th title of the year and the 38th of her career. It was Michel's 1st title of the year and the 1st of her career. References External links Association of Tennis Professionals (ATP) tournament profile Women's Tennis Association (WTA) tournament profile Rothmans Canadian Open Rothmans Canadian Open Rothmans Canadian Open Rothmans Canadian Open Canadian Open (tennis)