LUXEMBOURG (AP)—Top-seeded Victoria Azarenka of Belarus defeated Italy’s Alberta Brianti 6-0, 6-1 on Thursday to reach the quarterfinals of the Luxembourg Open.

Fifth-seeded Ana Ivanovic was the biggest star to fall when the Serb was beaten 6-3, 6-2 by Anne Keothavong of Britain.

In other second-round action, Bibiane Schoofs of the Netherlands came from behind to beat Rebecca Marino of Canada 1-6, 6-1, 7-5.

Lucky loser Lucie Hradeca of the Czech Republic defeated Alexandra Cadantu of Romania 6-3, 6-4, and Anastasija Sevastova of Latvia beat Simona Halep of Romania 6-2, 6-2.