The Latest: Stephens Four-Squared at French Open

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7:42 p.m.

Make that four-squared for Sloane Stephens.

Now, the 40th-ranked American wants to go one better.

Beating Tsvetana Pironkova 6-4, 6-1 puts Stephens into the French Open fourth round for the fourth consecutive year.

Next up: either No. 1 Serena Williams or No. 27 Victoria Azarenka. They are on Court Philippe Chatrier right now, where Azarenka has just taken the first set 6-3.

Whoever wins that, it will set up an Australian Open rematch.

The most significant victory of Stephens' young career came against Williams in the 2013 quarterfinals in Melbourne. That put Stephens in her only Grand Slam semifinal, where she promptly lost to Azarenka, who was on her way to a second major title.

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