Former Memphis champion Sofia Arvidsson, who tends to know her way around an indoor court, upset 2nd seed Melanie Oudin today at the Regions Morgan Keegan Championships. Arvidsson won 6-1, 6-3, and advances to the Memphis semifinals.
5th seed Petra Kvitova defeated 3rd seed Kaia Kanepi 1-6, 6-3, 7-6 in the quarterfinals, and Anne Keothavong defeaed Karolina Sprem 6-4, 6-3. In the last match of the day, 1st seed Maria Sharapova defeated 8th seed Elena Baltacha 6-2, 7-5.
In the semifinals, Sharapova will play Kvitova, and Keothavong will compete against Arvidsson.