BANGKOK, Feb. 11 (Xinhua) -- Following are the second round results of the WTA Pattaya Open tennis tournament (prefix number denotes seeding):

Misaki Doi, Japan, bt 1-Peng Shuai, China, 6-3, 2-6, 6-2

Vera Zvonareva, Russia, bt 8-Zhang Shuai, China, 7-6 (8-6), 6-3

7-Monica Puig, Puerto Rico, bt Romina Oprandi, Switzerland, 6-1, 3-6, 6-0