Overview
- Keys saved two match points to edge Karolina Muchova 4-6, 6-3, 7-5 at IGA Stadium on Sunday.
- Keys matched Ana Ivanovic’s Open Era record with her first Montreal quarterfinal berth since 2016.
- Naomi Osaka powered past Anastasija Sevastova 6-1, 6-0 in under 50 minutes for her second-quickest tour-level win.
- Osaka reached her first WTA 1000 quarterfinal since Doha 2024 after parting ways with coach Patrick Mouratoglou and beginning work with Tomasz Wiktorowski.
- In the quarterfinals Keys will face the winner of the Iga Swiatek–Clara Tauson match and Osaka will meet either Amanda Anisimova or Elina Svitolina.