to Serena Williams in straight sets. In three other tournaments Azarenka managed to reach the quarterfinals, but failed to progress any further. She lost to Agnieszka Radwańska at the Australian Open and Montreal, and to Ekaterina Makarova at the US Open. Elsewhere, she suffered losses in her opening matches at tournaments in Indian Wells, Eastbourne, and Stanford. At Wimbledon she lost in her second round match to Bojana Jovanovski in three sets. Azarenka's 2014 season ended in September, with her citing injury. She ended the year ranked world No. 32, her lowest finish since 2006. Azarenka started the 2015 season at the Brisbane International, losing to Karolína Plíšková in three sets, despite having multiple match points. As of being a runner-up last year, she dropped out from the top 40. However, Azarenka reached the fourth round at the Australian Open, beating eight seed Caroline Wozniacki en route, but lost to Dominika Cibulková in three sets. In Doha, Azarenka scored three wins over top-20 players, against Angelique Kerber, fifth ranked Wozniacki and Venus Williams, before losing to Lucie Šafářová in the final. She then played in Indian Wells and Miami, losing in the third round at both. Azarenka opened her clay season in Madrid, where she beat Venus Williams, but lost to her sister Serena in third round, despite having three match points. Next she reached the quarterfinals in Rome, losing to Maria Sharapova again after Sharapova previously beat her at Indian Wells. At the French Open, she lost eight games before reaching the third round, but then fell to Serena Williams, despite being two service games from victory in the second set. She withdrew from the second round match in Birmingham citing a foot injury. Azarenka made a run to the Wimbledon quarterfinals with four straight set wins, but lost to Serena Williams again after taking the first set. She returned to action in Toronto, reaching the third round after beating Elina Svitolina and third seed Petra Kvitová. She then seemed to be frustrated by Errani's medical timeout during the first set where she was up a break. Azarenka won just four of the next 14 games and lost the match. Azarenka reached the third round of the Western & Southern Open in Cincinnati, beating Lauren Davis and fifth seed Caroline Wozniacki. She then retired against Anastasia Pavlyuchenkova. She beat Lucie Hradecká, Yanina Wickmayer, 11th seed Angelique Kerber and Varvara