Linz, Austria (Sports Network) - Last week's Beijing champion Victoria Azarenka stayed hot, while two-time Linz titlist Ana Ivanovic went by way of the quarterfinal upset Friday at the Generali Ladies Linz tennis tournament.

The world No. 1 Azarenka, this year's Australian Open titlist and U.S. Open runner-up, leveled Croat Petra Martic 6-2, 6-2 in 1 hour, 19 minutes on the indoor hardcourts at Tips Arena Linz.

The Belarusian Azarenka's semifinal opponent on Saturday will be American qualifier Bethanie Mattek-Sands or Romanian lucky-loser rina-Camelia Begu.

Meanwhile, the second-seeded former top-ranked Ivanovic succumbed to Belgian qualifier Kirsten Flipkens 6-4, 6-0 in 64 minutes on Day 5. The Serbian Ivanovic captured Linz titles in 2008 and 2010.

The newest Linz champion will earn $37,000.

The Sports Network