Doha, where she defeated Kateryna Bondarenko, Monica Niculescu and Roberta Vinci to reach her fifth semifinal at the tournament. She lost to Carla Suárez Navarro in two sets, but moved up to world No. 3. In the Indian Wells Open, she defeated Dominika Cibulková, Monica Niculescu, Jelena Janković and Petra Kvitová. In doing so, she regained her world No. 2 status. She lost a tight match with a second-set tiebreaker to Serena Williams in the semifinals. At the Miami Open she defeated Alizé Cornet and Madison Brengle before losing to Timea Bacsinszky in the fourth round. At her first tournament of the clay season, the Porsche Tennis Grand Prix, top-seeded Radwańska defeated Andrea Petkovic and Karolína Plíšková for the seventh and sixth time respectively. In the semifinal she lost to German qualifier Laura Siegemund who upset Simona Halep and Roberta Vinci on her way to the final. Serena Williams' withdrawal from the Madrid Open elevated Radwańska to top seed of the tournament. She lost to Dominika Cibulkova in the first round. At Roland Garros, second-seeded Radwańska defeated Bojana Jovanovski, Caroline Garcia and Barbora Strýcová before losing to Tsvetana Pironkova. Radwańska's fourth-round match against Pironkova was contested over three days due to harsh rainy conditions. Radwańska led the encounter prior to the resumption of the match in the rain. However while playing in the rain she dropped ten consecutive games, got treatment from a trainer on her hand and subsequently ended up losing the match in three sets. While avoiding major injury during the match, Radwańska needed treatment to her hand the following day. Radwańska was awarded a wildcard entry into the Birmingham Classic, which opened the grass-court season. She lost to CoCo Vandeweghe in the opening match. Prior to Wimbledon, Radwańska competed in another grass tournament at Eastbourne International. She beat Eugenie Bouchard to reach her first quarterfinal on grass courts this season. At Wimbledon Radwańska was seeded third. She defeated Kateryna Kozlova in the first round, followed by a three-set thriller against Ana Konjuh and then comfortably beating Katerina Siniakova in the third round. No. 3 seed Radwańska, who was considered to be the top competition for Serena Williams since Garbine Muguruza was eliminated in the second round, was upset herself in the round of 16. Radwańska found herself on the losing end of a tight three-set match against Dominika Cibulkova, which lasted almost three hours. At the start