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

In the Australian Open Round of 16 on Sunday, No. 7-ranked Elena Rybakina takes on No. 14 Madison Keys.Rybakina secured a two-set victory over Dayana Yastremska (6-3, 6-4) in the Round of 32 in

She will next play Ukraine's Elina Svitolina, who beat Veronika Kudermetova 6-4, 6-1 earlier on Jan 20. Read more at straitstimes.com.

No. 19 seed Madison Keys scored the big upset on Day 9 of the Australian Open, defeating No. 6 Elena Rybakina 6-3, 1-6, 6-3 at Margaret Court Arena to advance to the tournament quarterfinals.

Madison Keys made a stunning comeback to secure a spot in the quarter-finals of the Australian Open, overcoming sixth seed Elena Rybakina in a thrilling three-set match at Margaret Court Arena.

Elena Rybakina, the sixth seed at Melbourne Park, had looked in fine form in the early rounds, but came into Monday's clash with Madison Keys at Margaret Court Arena carrying a back issue

Former Wimbledon champion Elena Rybakina needed only 53 minutes to storm past junior world No.1 Emerson Jones 6-1, 6-1 in the first round of the Australian Open.

No. 19 seed American Madison Keys moved into the Australian Open quarterfinals for the fourth time in her career by ousting No. 6 seed Elena Rybakina of Kazakhstan on Monday.

American Madison Keys upset sixth seed Elena Rybakina 6-3 1-6 6-3 in a roller-coaster match at Margaret Court Arena to march into the quarter-finals of the Australian Open on Monday and extend her win streak to nine matches this year.