The Latest on Monday at the Australian Open (all times local):

12:50 p.m.

Sixth-seeded Elina Svitolina has advanced to the Australian Open quarterfinals with a momentum-swinging 6-2, 1-6, 6-1 win over 2017 U.S. Open finalist Madison Keys.

The WTA Finals winner fended off five breakpoints in a pivotal third game in the third set that went to deuce 11 times and lasted more than 15 minutes. She broke Keys’ serve at the first opportunity in the next game and finished off the match quickly.

It ended a comeback by Keys, who didn’t quite find her range with her ground strokes and 34 unforced errors, including some very nears misses on big points.

Both players reached the quarterfinals here last year, but Keys had more success at the majors in 2018 when she progressed to the semifinals at the French and U.S. Opens.

“I was happy I could handle the pressure at 1-1 in the third set,” Svitolina said. “It was very hard because the sun was just burning my eyes when I was tossing the ball. Very happy I could win that game.”

Svitolina will next play either U.S. Open champion Naomi Osaka or No. 13 Anastasija Sevastova.

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11 a.m.

Madison Keys has opened play at Rod Laver Arena against sixth-seeded Elina Svitolina on Day 8 at the Australian Open.

There are spots in the quarterfinals on the line for the winners of Monday’s matches.

The 17th-seeded Keys has reached the semifinals or better at three of the last five Grand Slam tournaments. She has won both her previous matches against Svitolina including a quarterfinal victory at the 2017 U.S. Open on her way to the final.

The winner will advance to quarterfinal match against either U.S. Open champion Naomi Osaka or No. 13 Anastasija Sevastova.

In the night matches later Monday, Serena Williams continues her bid for an eighth Australian and Open-era record 24th singles major when she takes on No. 1-ranked Simona Halep, and six-time men’s winner Novak Djokovic is against Daniil Medvedev.

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United States' Madison Keys reacts during her fourth round match against Ukraine's Elina Svitolina at the Australian Open tennis championships in Melbourne, Australia, Monday, Jan. (AP Photo/Aaron Favila)
United States’ Madison Keys reacts during her fourth round match against Ukraine’s Elina Svitolina at the Australian Open tennis championships in Melbourne, Australia, Monday, Jan. (AP Photo/Aaron Favila)