In Antwerp, Belgium at the Diamond Games, Koukalová was defeated in the first round by qualifier Francesca Schiavone. Koukalová lost in the first round of qualifying at the Qatar Open to Hsieh Su-wei. In Dubai at the Dubai Championships, Koukalová fell in the first round to Tsvetana Pironkova. Seeded fifth at the Malaysian Open, Koukalová was defeated in the second round by Carina Witthöft. In Indian Wells at the BNP Paribas Open, Koukalová defeated Daniela Hantuchová in her first-round match. In the second round, she lost to 16th seed Madison Keys. At the Miami Open, Koukalová was defeated in the first round by Kristina Mladenovic. In Poland at the Katowice Open, Koukalová lost in her quarterfinal match to top seed and home crowd favorite Agnieszka Radwańska.