(2) Na Li def. (8) Anastasia Pavlyuchenkova, 6-4, 3-6, 6-2
The players were scheduled to take the court at 1:00 pm, but were delayed by rain until 3:30 pm, and showers continued to interrupt play throughout the afternoon. While the official match time was just over two and a half hours, the two players did not complete their match until shortly before 8:00 om. It was difficult for either woman to get into a rhythm, and, unfortunately, injury played a role in the final result. Li took the first set, courtesy of three Pavlyuchenkova double faults in the tenth game. After a lengthy weather delay at the start of the second set, Pavlyuchenkova gained the momentum. She won a marathon ninth game with eight deuces, and broke Li to force a third set. With Li serving at 1-0 in the third set, the match was interrupted again. In this instance, it was a medical timeout by Pavlyuchenkova, who sought treatment for a twisted ankle. With the Russian unsure about her movement, Li raced to a 5-0 lead. Li thought she won the match when Pavlyuchenkova framed a shot on match point, but chair umpire Lynn Welch ordered that the point be replayed. A linesperson had started to call Li's ball out, then corrected the call, and Welch believed this was a hindrance to the players. A frustrated Li dropped the next two games before securing the win, and advancing to her sixth semifinal of 2011.