2023 National Bank Open

The 2023 Canadian Open championships (branded as the National Bank Open presented by Rogers for sponsorship reasons) were outdoor hard court tennis tournaments played from August 7 to August 13, 2023. The men's tournament took place at the Sobeys Stadium in Toronto and the women's event took place at the IGA Stadium in Montreal. It was the 133rd edition of the men's tournament—a mandatory Masters 1000 event on the 2023 ATP Tour, and the 121st edition of the women's tournament—a non-mandatory WTA 1000 event on the 2023 WTA Tour.

Prize money

 * per team

Men's singles

 * 🇮🇹 Jannik Sinner def. 🇦🇺 Alex de Minaur, 6–4, 6–1

Women's singles

 * 🇺🇸 Jessica Pegula def. Liudmila Samsonova, 6–1, 6–0

This was Pegula's third career title, and her first of the year.

Men's doubles

 * Marcelo Arévalo / Jean-Julien Rojer def. 🇺🇸 Rajeev Ram / 🇬🇧 Joe Salisbury, 6–3, 6–1

Women's doubles

 * 🇯🇵 Shuko Aoyama / 🇯🇵 Ena Shibahara def. 🇺🇸 Desirae Krawczyk / Demi Schuurs, 6–4, 4–6, [13–11]