Former US Open champion Sloane Stephens powered into the Australian Open third round Wednesday as she strives to win a second major, but the tournament ended for ninth seed Kiki Bertens.
The American fifth seed swatted aside former doubles partner Timea Babos 6-3 6-1 on Rod Laver Arena to keep her on a collision course to meet world number two Angelique Kerber in the quarter-finals.
Second seeded Kerber, the 2016 champion, resumes her tournament later Wednesday against fellow left-hander Beatriz Haddad Maia as she targets a 100th Grand Slam main draw win.
Six-time Melbourne winner Roger Federer is also in action, along with Rafael Nadal, defending women's champion Caroline Wozniacki and Russian starlet Maria Sharapova.
Stephens has endured a horror run at Melbourne Park since reaching the semi-final in 2013, exiting in the first round in 2015, 2016 and 2018.
She also missed 2017 with a foot injury, but looks to be back in business.
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"Her serve is ridiculously good. I had to hang in there and be patient and I thought I did that well today," said Stephens, who next plays 31st seed Petra Martic.
Stephens and Babos have history. The two 25-year-olds played doubles in the junior ranks, and put together a 14-match winning streak in 2010 to capture the Roland Garros, Wimbledon and US Open doubles titles.
But powerful Dutchwoman Bertens, who raced through the rankings last year after winning three titles, failed to live up to expectations, crashing in three sets to Anastasia Pavlyuchenkova, who made the Melbourne quarters in 2017.
"I was maybe more a little lucky in the end, but she's a great tough opponent, she's top 10. That's a super great win for me," said the Russian.
Others safely into round three were 19th seeded Frenchwoman Caroline Garcia and Aliaksandra Sasnovich of Belarus, who upset Estonian 20th seed Anett Kontaveit.
- History not on side -
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