The No. 6 seed missed multiple break points to seize the advantage in the third set and Keys profited to move into the quarterfinals.

The problem for the 2023 finalist at Melbourne Park follows a season where she was plagued by injury and illness. Rybakina’s build-up to Wimbledon in the summer was hampered by acute bronchitis, which also caused her to withdraw from the Paris Olympics.

Elena Rybakina, the 2023 Australian Open finalist, faced a challenging third-round match against Ukraine's Dayana Yastremska. Despite a troubling back injury, she secured a 6-3, 6-4 victory.