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.

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

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.

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

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.

But it was her return game that did the loudest talking Monday in an Australian Open battle featuring two of the WTA’s most fearless ball-strikers. Taking on sixth seed Elena Rybakina, Keys surged ahead for a 6-3, 1-6, 6-3 victory.

Eight women remain in the 2025 Australian Open, and three of them are Americans. That group of quarterfinalists is headlined by No. 3 seed Coco Gauff and includes No. 8 Emma Navarro and No. 19 Madison Keys. Gauff, 20, will look to continue her hot start to the season when she meets No. 11 Paula Badosa of Spain at 7:30 ET on Monday night.

No. 14-ranked Madison Keys will meet No. 11 Danielle Collins in the Australian Open Round of 32 on Friday, January 17.Keys secured a three-set win over Elena-Gabriela Ruse (7-6, 2-6, 7-5) in the

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.

American Madison Keys first made the Australian Open semifinals 10 years ago. A decade on, she hopes to do it again, but she'll have to go through Ukraine's Elina Svitolina.

Madison Keys has positioned herself among the top-5 active players with the most main-draw wins in Grand Slam tournaments after an impressive Australian Open campaign. The World No. 14 secured her