Azarenka was grimacing and stretching after nearly every point and, after Muguruza broke for a 3-1 lead, the two-time Australian Open champion decided to call it quits.

MELBOURNE, Australia (AP) Two-time Australian Open champion Victoria Azarenka walked onto Rod Laver Arena knowing that the No. 2- and No. 3-ranked players were already out of the tournament and that ...

Azarenka, unseeded this year after her ranking slipped into the 40s following an injury-interrupted 2014, won the Australian title in 2012 and '13 and reached the quarterfinals last year.

Muguruza committed 24 unforced errors and hit 34 winners. Azarenka committed 30 unforced errors and hit 23 winners. “I’m very happy to have played before an amazing crowd,” Muguruza said.

Victoria Azarenka used her superior serving and punishing groundstrokes to upset top seed Angelique Kerber 6-4 4-6 6-1 and advance to Sunday's final of the Monterrey Open against Garbine Muguruza.

Azarenka had won her only previous meeting with Muguruza in the round of 16 at the Miami Open in April 2016, when she went on to win the title in her most recent final before Sunday.

Victoria Azarenka used her superior serving and punishing groundstrokes to upset top seed Angelique Kerber 6-4 4-6 6-1 and advance to Sunday's final of the Monterrey Open against Garbine Muguruza.

Azarenka had won her only previous meeting with Muguruza in the round of 16 at the Miami Open in April 2016, when she went on to win the title in her most recent final before Sunday.