Tammy Tanasugarn defeated Anna Chakvetadze 6-1, 6-4 in Pattaya City today, and will play 4th seed Sesil Karatantcheva in the semifinals. Karatantcheva defeated Elena Bychkova in the quarterfinals. Tanasugarn and her partner, Marina Erakovic, have already made it to the doubles final.
The other semifinal will feature top seed Vera Zvonareva and 4th seed Yaroslava Shvedova. In the quarterfinals, Zvonareva defeated 5th seed Sybille Bammer, and Shvedova defeated Tatijana Malek.