Overview
- Madison Keys outlasted Diana Shnaider 6-7 (5), 7-6 (5), 7-6 (4) in 2 hours 57 minutes, winning the first triple-tiebreak match of her career after both players required medical attention.
- The victory sends Keys into a quarterfinal against world No. 1 Aryna Sabalenka, a reprise of last year's Australian Open final.
- No. 16 seed Marta Kostyuk upset No. 2 Amanda Anisimova 6-4, 6-3 to book her place in the last eight.
- Elena Rybakina defeated Paula Badosa 6-3, 6-2, and Mirra Andreeva edged Linda Noskova 5-7, 6-4, 7-5 to reach her third straight Brisbane quarterfinal.
- The quarterfinal lineup is Andreeva vs Kostyuk, Rybakina vs Karolina Muchova, Jessica Pegula vs Liudmila Samsonova, and Sabalenka vs Keys.