Author: Sandra Harwitt, Special to USA TODAY

Looking for their first Australian Open title, Petra Kvitova and Naomi Osaka meet for the first time with the world No. 1 ranking on the line.

Novak Djokovic and Rafael Nadal will meet for a 53rd time in the men’s Australian Open final, where Djokovic holds a 27-25 lead.

Danielle Collins, who played at Virginia, has reached the Australian Open semis after some big upsets.

Serena Williams fights to a 6-1, 4-6, 6-4 fourth-round win against top-ranked Simona Halep at the Australian Open.

Patrick Mouratoglou says Serena Williams is “incredibly loyal,” another reason he didn’t worry about getting fired.

Serena Williams offers Dayana Yastremska praise after a precise 6-2, 6-1 tennis lesson in all of 67 minutes in Australian Open third round.

The No. 4 seed struggled to a 5-7, 6-4, 6-1 third-round victory to keep her chances of winning a second consecutive Grand Slam title alive.

The 16th-seeded Serena Williams, who’salready won 10 majors since turning 30, captured the first set in 18 minutes.