At the Mutua Madrid Open, Radwańska defeated Lara Arruabarrena and Casey Dellacqua before losing to Caroline Wozniacki in the third round. As a result of this loss, Radwańska dropped outside of the Top 10 for the first time since October 2011. At the French Open, Radwańska was defeated by Annika Beck in the first round. The loss marked only her third first-round loss at a Grand Slam in her career, and her first since the 2009 Australian Open. In June, Radwańska competed in her first grass tournament at Aegon Trophy in Nottingham. She advanced to the semifinals at the Aegon Open Nottingham, losing to Monica Niculescu. In her next grass tournament at Aegon International in Eastbourne, Radwańska defeated Irina Falconi, Karolína Plíšková, and Tsvetana Pironkova to reach the semifinals of a grass event for the second time in three weeks, after doing so at Nottingham. After defeating Sloane Stephens, Radwańska reached her first final of the season against Belinda Bencic, who defeated her in three sets to claim her first WTA title.