Vera Zvonareva of Russia cruised into the quarterfinals of the Pattaya Open on Wednesday with a 6-3 6-3 victory over Akgul Amanmuradova of Uzbekistan.
Zvonareva is looking for her third Pattaya title and led 5-1 in the second set before being broken when she tried to serve out the match. However, she broke right back to clinch the victory.
The eighth-ranked Zvonareva will play Sorana Cirstea of Romania, who beat Japan's Misaki Doi 6-2 6-2.
Thai veteran Tamarine Tanasugarn also advanced after saving three set points in the first-set tiebreaker to beat Chang Kai-chen of Taiwan 7-6 (7) 6-3.