Australia's Samantha Stosur, the No. 5 seed, beat Carla Suarez Navarro, from Spain, 6-1 6-3.
Meanwhile, Samantha Stosur of Australia won her second title on the women's WTA Tour circuit on Sunday.
Australian sixth seed Samantha Stosur , the beaten finalist in 2010, breezed past Russian No. 27 Nadia Petrova 6-3 6-3.
Fourth seed Serena took just 44 minutes to dispatch Australia's Samantha Stosur, reeling off the last 10 games to love.
Meanwhile at the WTA event in Charleston, South Carolina, Serena Williams crushed Samantha Stosur 6-1 6-1 to reach the Sunday's final.
The tournament's fifth seed Nicole Vaidisova had a tough opener against Samantha Stosur but came through the test 3-6 6-4 6-4.
Meanwhile, in the women's event, Australia's Samantha Stosur set up a clash with Venus Williams after defeating Swiss Patty Schnyder 7-6 6-2.
Australia's top hope Samantha Stosur (13) will avoid a seed in the next round after the Queenslander beat Kristina Barrois 7-5 6-3.
The Frenchwoman upset Venus in Sunday's final in Stanford, while world No. 2 Serena was beaten by Samantha Stosur in the quarterfinals.
Australian eighth seed Samantha Stosur defeated France's Julie Coin 6-1 7-6 (7-4) to set up a clash with Russian 25th seed Anastasia Pavlyuchenkova.
Jens Gerlach is a former coach of Anastasia Myskina, while Simon Walsh helped Samantha Stosur and Katarina Srebotnik, among others, into the top 100.
The Rod Laver Arena crowd were cheered by Australia's Samantha Stosur as the 2011 U.S. Open champion beat Taiwan's Kai-Chen Chang 7-6 (7-3) 6-3.
Thursday's quarterfinals see Serbian sixth seed Jelena Jankovic taking on Russia's Alisa Kleybanova and Australian eighth seed Samantha Stosur playing Spain's Maria Jose Martinez Sanchez.
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Kirilenko will meet third seed Agnieszka Radwanska of Poland in the quarter-finals, while top seed Samantha Stosur of Australia will play Yanina Wickmayer of Belgium.
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Former Wimbledon champion Kvitova beat 168th-ranked Jarmila Gajdosova 7-6 (7-2) 6-3, then world No. 18 Safarova upset No. 9 Samantha Stosur 7-6 (8-6) 7-6 (7-4).
The 17-year-old Czech set up a chance of revenge for her semi-final defeat in Moscow last week against Nadia Petrova, who beat Samantha Stosur 6-1 6-3.
Fourth seed and defending champion Victoria Azarenka also progressed with Indian Wells winner and No. 7 Jelena Jankovic, No. 9 Samantha Stosur and Russia's No. 11 Vera Zvonareva.
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Earlier, 2010 runner-up Samantha Stosur of Australia became the first player into the last 64 as the reigning U.S Open chamption beat Elena Baltacha of Britain 6-4 6-0.
Crowd-favourite Maria Sharapova, the 2005 winner, is unseeded this year, but now appears favorite to win the tournament after crushing Australian Samantha Stosur 6-0 6-1 in just 57 minutes.
In other first round action, eighth-seeded Australian Samantha Stosur edged past Argentine Gisela Dulko 7-6 7-5 and 16th seed Nadia Petrova beat Russian compatriot Elena Vesnina 4-6 6-2 6-3.
Zheng will now face in-form Australian Samantha Stosur, who put out former world No. 1 Ana Ivanovic, the sixth seed from Serbia, 6-3 6-2, avenging a defeat at Wimbledon.
The top seed slipped on the green clay in the sixth game and rolled her ankle, meaning Zvonareva went through to Sunday's final where she will face Australian Samantha Stosur.
They were joined in the second round by 13th seed Samantha Stosur of Australia, Russian 19th seed Nadia Petrova and former world No. 1 and 2008 finalist Ana Ivanovic, seeded 20th.
But it took the in-form Martinez Sanchez just 41 minutes to snuff out Australian hopes, securing a fourth final appearance for Spain when she took the first set off Samantha Stosur.
She lost just 15 games all week in South Carolina, crushing world No. 5 Samantha Stosur 6-1 6-1 in Saturday's semifinals to avenge the Australian's win over her older sister Venus in the previous round.
Eighth seed Samantha Stosur beat Argentina's Gisela Dulko 7-6 (7-3) 7-5, and the Australian will face Maria Jose Martinez Sanchez on Tuesday, with the Spaniard having a bye after beating Jankovic in Saturday's Italian Open final.
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