the US Open for the first time since she won the tournament in 2006. In the quarterfinals, she faced 11th seed Marion Bartoli, who was 4–0 up before a rain delay, which delayed the match a whole day. Sharapova then came back from a set down to win. In the semifinals, Sharapova lost to world No. 1 Victoria Azarenka despite winning the first set. Sharapova's next tournament was the Pan Pacific Open in Tokyo. She made it to the quarterfinals, losing to Samantha Stosur. At the China Open she was seeded second. In the finals she was again defeated by Azarenka. Sharapova's next tournament was the year-end championships in Istanbul, where she was seeded second. She defeated Sara Errani, Agnieszka Radwańska, and Samantha Stosur in the round-robin matches. In the semifinals, Sharapova beat Azarenka, bringing their head-to-head meetings to 7–5 in Azarenka's favour. Although Sharapova made it to the final, Azarenka clinched the year-end No. 1 ranking with her two round-robin wins. She lost to Serena Williams for the 13th consecutive time in the final and the third time that year, notching her best score line in three matchups with a 4–6, 3–6 defeat. 2013: Third shoulder injury Sharapova's first scheduled tournament of the 2013 season was the Brisbane International, where she was seeded second. However, she withdrew from the tournament before it began, citing a collarbone injury. She started her season at the Australian Open seeded second. She defeated Olga Puchkova and Misaki Doi in the first two rounds without losing a game in either match, the first time a player won in back-to-back double bagels at a Grand Slam tournament since the 1985 Australian Open. Sharapova then defeated Venus Williams, Kirsten Flipkens, and Ekaterina Makarova, where in losing nine games, she overtook Monica Seles' record of fewest games dropped heading into a Grand Slam semifinal. She lost to Li Na in the semifinals. She reached the semifinals at the Qatar Open, losing to Serena Williams for the 10th straight time in her career. Her next tournament was Indian Wells, where she was seeded second. She received a bye into the second round and successfully reached the final without dropping a set, where she faced 2011 Indian wells champion and former world No. 1, Caroline Wozniacki. After an hour and twenty-one minutes, Sharapova won the tournament. This was Maria's 28th career title and second at Indian Wells. Her win