Tennis roundup: Wozniacki falls in Sydney

Caroline Wozniacki receives medical treatment during her match against Agnieszka Radwanska at the...

Caroline Wozniacki receives medical treatment during her match against Agnieszka Radwanska at the Sydney International on Wednesday, Jan. 11, 2012. (REUTERS/Daniel Munoz)

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, Last Updated: 11:28 AM ET

SYDNEY - World No. 1 Caroline Wozniacki was a quarterfinal upset victim Wednesday at the $637,000 Sydney International tennis tournament.

Seventh-seeded Pole Agnieszka Radwanska came from behind to oust the top seed 3-6, 7-5, 6-2 on the hardcourts at Sydney Olympic Park Tennis Centre. Wozniacki required a medical timeout in the final set to have her left wrist taped.

Radwanska is rewarded with a semifinal match against third-seeded Belarusian star Victoria Azarenka, who avoided an upset by topping eighth-seeded French slugger Marion Bartoli 7-5, 6-4 on Day 4 in Sydney.

Thursday's other semi will pit second-seeded Wimbledon champion Petra Kvitova against fourth-seeded French Open titlist and 2011 Aussie Open runner-up Li Na. The left-handed Kvitova handled Slovakian veteran Daniela Hantuchova 6-0, 6-4, while Li got past Czech Lucie Safarova 6-2, 7-6 (7-3). The former top-10 star Hantuchova was a runner-up in Brisbane last week.

The formidable Kvitova would overtake Wozniacki as the top player in the world with a title here this week.

"I'm still on track," Kvitova said of the top spot. "But still, it's two matches away and the next one is really tough. It's still a long way away, so we will see."

Kvitova helped the Czech Republic win the exhibition Hopman Cup last week and closed out her 2011 season by capturing the WTA Championships in Istanbul.

Del Potro coasts at Aussie Open tuneup

SYDNEY - Top-seeded Juan Martin del Potro cruised to a straight-set victory at an Australian Open tuneup, while American John Isner fell in three sets on Wednesday.

Seeded No. 2, the 6-foot-9 Isner won the first set against fellow American Bobby Reynolds, a qualifier this week, but was ultimately ousted from the $434,250 Sydney International tennis event by a 3-6, 6-4, 6-3 score, despite firing 20 aces.

The former U.S. Open champion del Potro, meanwhile, had an easier time with Poland's Lukasz Kubot, saving all four break points he faced in a 6-4, 6-2 win at Sydney Olympic Park Tennis Centre.

Del Potro will meet former Aussie Open runner-up Marcos Baghdatis in Thursday's quarterfinals. Baghdatis was the Sydney champion two years ago.

Third-seeded Frenchman Richard Gasquet moved on with a 6-2, 6-1 victory over Italian Fabio Fognini, while fourth-seeded Spaniard Feliciano Lopez succumbed to France's Julien Benneteau 6-3, 6-4 and fifth-seeded Serb Viktor Troicki dropped a 7-6 (7-5), 6-4 decision to Russian Alex Bogomolov Jr. Troicki was last year's runner-up here to French star Gilles Simon.

In other second-round play, Finn Jarkko Nieminen upended eighth-seeded Czech Radek Stepanek 7-6 (7-5), 5-7, 6-1, Uzbekistan's Denis Istomin was a 6-2, 6-1 winner over American lucky-loser Ryan Sweeting, and the Cypriot Baghdatis rallied to top Aussie wild card Matthew Ebden 3-6, 7-5, 7-6 (7-3).

Thursday's other quarters will pit Gasquet against the qualifier Istomin, the qualifier Nieminen versus Reynolds and Benneteau against Bogomolov.

Spaniards roll into Auckland quarters

AUCKLAND, New Zealand - Spaniards David Ferrer, Nicolas Almagro and Fernando Verdasco, the top-three seeds, were among the winners Wednesday in the second round of the Heineken Open.

The top-seeded two-time Auckland champion Ferrer rolled to a 6-4, 6-2 win over Lukas Rosol of the Czech Republic in his 2012 season-opener, while the second- seeded Almagro breezed past Colombia's Santiago Giraldo by the same score. The third-seeded Verdasco had to work a little harder in his straight-set win over Argentina's Carlos Berlocq, posting a 7-5, 7-6 (7-3) triumph.

The world No. 5 Ferrer bested Argentine star David Nalbandian in last year's Auckland finale. He'll face Colombian Alejandro Falla in Thursday's quarterfinals.

A pair of seeds went by way of the upset on Day 3, as French qualifier Benoit Paire ousted No. 4 Juan Ignacio Chela of Argentina 5-7, 6-2, 6-2 and pesky Belgian Olivier Rochus outlasted No. 6 Thomaz Bellucci 7-6 (8-6), 5-7, 7-6 (7-5).

Eighth-seeded German Philipp Kohlschreiber, the 2008 Auckland champion, avoided an upset by overcoming promising American Ryan Harrison, a wild card this week, 4-6, 6-4, 6-3 on the hardcourts at ASB Tennis Centre. Kohlschreiber will meet Almagro's in the round of eight.

Some other second-round play saw Falla stop Italian Potito Starace 7-6 (7-3), 6-3 and Spaniard Guillermo Garcia-Lopez level French qualifier Adrian Mannarino 6-2, 6-3.

Thursday's other quarters will pit Verdasco against his compatriot Garcia- Lopez and Rochus versus Paire.

Medina Garrigues ousted from Hobart

HOBART, Australia - Second-seeded Anabel Medina Garrigues suffered a second-round upset, while Aussie favourite and defending champion Jarmila Gajdosova reached the quarterfinals at the $220,000 Moorilla Hobart International tennis event.

German qualifier Mona Barthel bounced the 2002 Hobart runner-up Medina Garrigues, of Spain, 6-1, 6-4 on the hardcourts at Domain Tennis Centre.

A fifth-seeded Gajdosova, meanwhile, continued her winning ways at this tournament with a 6-3, 1-6, 6-4 victory over wild card and fellow Aussie Anastasia Rodionova.

The Slovakian native Gajdosova beat American Bethanie Mattek-Sands in last year's Hobart finale.

One other second-rounder saw sixth-seeded Israeli Shahar Peer sneak past qualifier Sacha Jones of New Zealand 7-6 (9-7), 6-4. Peer was the runner-up here two years ago.

Thursday's quarterfinals will pit top-seeded Yanina Wickmayer of Belgium against Romanian Simona Halep, fourth-seeded German Angelique Kerber versus Romanian Sorana Cirstea, Gajdosova against Barthel and Peer versus 2007 Hobart champion and former top-10 star Anna Chakvetadze of Russia.


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