Andreescu, Martic, Collins move into Phillip Island Trophy quarters

After a number of upsets over the first two rounds of the Phillip Island Trophy, the favorites have taken charge of the draw again. No.2 seed Bianca Andreescu

View Profile , No.4 seed Petra Martic and No.8 seed Danielle Collins

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Andreescu had endured a late-night longueur on Monday in her opener, battling birds overhead, bugs underfoot and Madison Brengle across the net before surviving 7-6(4), 4-6, 6-3. Seagulls frequently swooped low into the 1573 Arena, prompting Brengle to exclaim at one point: "It's like a Hitchcock thing!"

There were fewer tests for the Canadian in the third round, though, as World No.83 Zarina Diyas

View Profile was forced to retire due to a knee injury after losing the first set 6-1.

Andreescu will play the unseeded Irina-Camelia Begu

View Profile in the last eight after the Romanian pulled off Tuesday's biggest upset, defeating No.5 seed Wang Qiang 6-7(2), 6-2, 6-1. Elsewhere, Martic reached her first quarterfinal since Palermo last August with a 6-1, 6-3 win over wildcard Kimberly Birrell

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Two local players who had beaten the odds in second-round upsets had their fairytale runs halted in the last 16. Unranked wildcard Olivia Gadecki

View Profile , No.1 seed Sofia Kenin

View Profile 's conqueror, fell 7-5, 6-3 to No.16 seed Rebecca Peterson; and lucky loser Gabriella Da Silva Fick, who had saved two match points to stun Aliaksandra Sasnovich, was routed 6-1, 6-1 by No.13 seed Marie Bouzkova

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Tuesday's closest match was an all-Russian derby. Former World No.10 Daria Kasatkina

View Profile may be ranked World No.75 now and unseeded in the draw, but her on-paper upset of No.7 seed Anastasia Pavlyuchenkova

View Profile 2-6, 6-1, 6-4 in fact tightened her grip on the pair's head-to-head. Kasatkina now leads the series 3-1, having won each of their past three meetings.