The Hungarian goes on to face Germany's Julia Goerges, who defeated Kateryna Bondarenko 5-7 6-2 6-2.
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Russian fourth seed Vera Zvonareva also went through after beating Ukrainian Kateryna Bondarenko 6-1 6-1.
Sugiyama will face Slovakia's Dominika Cibulkova , a 6-2 6-3 second-round winner over Ukraine's Kateryna Bondarenko.
Henin will now play either Svetlana Kuznetsova of Alona Bondarenko who play in the other semi-final.
Her next opponent is unseeded Ukrainian Alona Bondarenko, who battled past Lucie Safarova of the Czech Republic 5-7 6-4 7-5.
Jankovic was broken twice in defeating Alona Bondarenko of Ukraine 6-2 6-0, while Ivanovic dispatched Nathalie Dechy of France 6-1 6-1.
The Serbian made 40 unforced errors and served four double-faults as she lost to Bondarenko for the first time in 10 meetings.
World number one Jankovic, the top player in the absence through injury of compatriot Ana Ivanovic, brushed aside Ukraine's Alona Bondarenko 7-5 6-1.
Meanwhile, Zheng Jie became the first Chinese player to make the last eight of the Australian Open by beating Ukraine's Alona Bondarenko 7-6 6-4.
Estonian 15th seed Kaia Kanepi suffered a 6-3 7-6 (7-4) reverse against Czech Lucie Safarova, who earned a second-round clash with Ukrainian Alona Bondarenko.
Former world No. 1 Jankovic, who reached the semifinals in Melbourne two years ago, was crushed 6-2 6-3 by Ukrainian 31st seed Alona Bondarenko.
British number two Anne Keothavong lost 7-5 6-3 to Kateryna Bondarenko.
Meanwhile reigning two-time champion Jelena Jankovic barely had to break sweat as she coasted into the last eight when Kateryna Bondarenko retired with an illness.
They were joined in the second round by Francesca Schiavone (17), Alona Bondarenko (27) and Alexandra Dulgheru (31), who were all taken to three sets before triumphing.
Fourth seed Victoria Azarenka of Belarus also profited from an injury as U.S. Open quarterfinalist Kateryna Bondarenko of the Ukraine conceded while 4-1 down in the first set.
Third seed Venus will next face Ukrainian Kateryna Bondarenko after a 6-3 6-2 victory over the world number 97 who was making her debut at the All England Club.
She served for the match at 5-4 up in the second set but Kuznetsova managed to level at 6-6 to force the tie-break before a winning forehand completed Bondarenko's win.
Sharapova also had a measure of revenge with her win over Ukraine's Bondarenko, who beat the former world number one in Warsaw on her return to the circuit after shoulder surgery.
Murray went through with a four-set win over Robert Kendrick - while Baltacha , who reached the third round in 2002, beat Ukraine's Alona Bondarenko in three sets in a late-night match.
Seventh seed Vera Zvonareva defeated ninth seed Alona Bondarenko 6-2 6-1, 13th seed Melanie Oudin beat Christina Mchale 6-4 6-0, and eighth seed Daniela Hantuchova battled past Angelique Kerber 6-7 (6-8) 7-5 6-3.
Pennetta helped defending champions Italy to end the day level 1-1 with Ukraine, beating Kateryna Bondarenko 7-5 6-3 after Francesca Schiavone lost the opening match 6-1 6-4 to the elder Bondarenko sister Alona in Kharkiv.
Monday proved an excellent day for the seeded women as Elena Dementieva (5), Sam Stosur (7), Agnieszka Radwanska (8), Li Na (11), Lucie Safarova (24), Alisa Kleybanova (28) and Kateryna Bondarenko (32) all went through without dropping a set.
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