1989 Player's Canadian Open

The 1989 Player's International Canadian Open was a tennis tournament played on outdoor hard courts. The men's tournament was held at the du Maurier Stadium in Montreal in Canada and was part of the 1989 Nabisco Grand Prix while the women's tournament was held at the National Tennis Centre in Toronto in Canada and was part of the Category 5 tier of the 1989 WTA Tour. The men's tournament was held from August 14 through August 20, 1989, while the women's tournament was held from August 21 through August 27, 1989.

Men's singles
Ivan Lendl defeated 🇺🇸 John McEnroe 6–1, 6–3
 * It was Lendl's 7th title of the year and the 86th of his career.

Women's singles
🇺🇸 Martina Navratilova defeated 🇪🇸 Arantxa Sánchez Vicario 6–2, 6–2
 * It was Navratilova's 11th title of the year and the 274th of her career.

Men's doubles
🇳🇿 Kelly Evernden / 🇺🇸 Todd Witsken defeated 🇺🇸 Charles Beckman / 🇺🇸 Shelby Cannon 6–3, 6–3
 * It was Evernden's 2nd title of the year and the 7th of his career. It was Witsken's 3rd title of the year and the 7th of his career.

Women's doubles
🇺🇸 Gigi Fernández / 🇺🇸 Robin White defeated 🇺🇸 Martina Navratilova / Larisa Savchenko 6–1, 7–5
 * It was Fernández's 2nd title of the year and the 11th of her career. It was White's 1st title of the year and the 9th of her career.