Ivanovic stated that she had noted improvements in her game. Despite her improvements, Ivanovic lost her opening match in Indian Wells, suffering four consecutive losses for the first time. By also losing a huge number of ranking points, Ivanovic dropped out of the top 50 for the first time since March 2005. Seeded 25th in Miami, Ivanovic won her first match since the Australian Open, but then lost to Radwańska in the third round. Ivanovic lost again to Radwańska at the Porsche Tennis Grand Prix. But unseeded in Rome, Ivanovic had her best week of tennis in nearly two years. She stunned top-10 players Victoria Azarenka and Elena Dementieva, and top-20 player Nadia Petrova, all in straight sets, before losing to eventual champion María José Martínez Sánchez in the semifinals. She was granted a wildcard into the Madrid Open, and received a bye in the first round due to her semifinal appearance at the Italian Open. She was the first unseeded wildcard to receive a first-round bye in the history of the WTA Tour. She lost in the second round to Jelena Janković, despite leading by a set and a break. Ivanovic entered the French Open unseeded at a Grand Slam for the first time since 2005. She fell to Alisa Kleybanova in the second round. In the UNICEF Open, Ivanovic fell to seventh-seeded German Andrea Petkovic in the second round. Ivanovic was defeated in the first round of Wimbledon by 13th seed Shahar Pe'er, and as a consequence saw her ranking drop to world No. 64. In the opening round of the Stanford, Ivanovic avenged her 2009 Australian Open and 2010 French Open defeats by beating Alisa Kleybanova, before losing in the next round to Marion Bartoli in straight sets. In Cincinnati, she rallied from a set and a break down to beat Victoria Azarenka in three sets. Ivanovic retired against Kim Clijsters in the semifinals due to a foot injury. Her ranking dramatically improved to world No. 39. The injury caused her to withdraw from New Haven. Unseeded at the US Open, Ivanovic breezed into the fourth round with straight-set victories, before losing to defending and eventual champion Kim Clijsters. Ivanovic lost her opener to Vera Dushevina in Seoul as the 7th seed. Ivanovic then defeated Kleybanova, the Korea Open champion, in the first round of Tokyo, before again losing to Bartoli in straight sets. Ivanovic avenged her