at the Hobart International, Rybáriková was defeated in the first round by eventual champion Heather Watson. At the Australian Open, Rybáriková got her first win of the season by beating Ana Konjuh in the first round; she lost in the second round to Peng Shuai. During the Fed Cup tie versus the Netherlands, Rybáriková lost her singles matches to Arantxa Rus and Kiki Bertens. In the end, The Netherlands defeated Slovakia 4–1. At the Diamond Games, Rybáriková was defeated in the first round by Belgian wildcard Alison Van Uytvanck. In Mexico at the Abierto Mexicano, Rybáriková reached the quarterfinals where she lost to top seed Maria Sharapova. Seeded eighth at the Monterrey Open, Rybáriková reached the quarterfinal round where she retired after losing the first set to third seed Caroline Garcia. At the Indian Wells Open, Rybáriková was defeated in the first round by qualifier Lara Arruabarrena. Playing at the Miami Open, she lost in the first round to Van Uytvanck. Seeded fourth at the Katowice Open, Rybáriková was defeated in the first round by Van Uytvanck. Rybáriková only played one clay-court warm-up tournament before the French Open. In Rome at the Italian Open, she won her first match in almost two months by defeating Italian wildcard Nastassja Burnett in the first round. She lost in the second round to 16th seed Jelena Janković. At the French Open, Rybáriková won her first-round match over qualifier Olivia Rogowska. In the second round, she was eliminated by the 28th seed Flavia Pennetta. Rybáriková started the grass-court season at the Nottingham Open. Seeded seventh, she lost in the first round to the British wildcard Johanna Konta. At the Birmingham Classic, Rybáriková upset ninth seed Garbiñe Muguruza in the first round. She followed up her first-round win by beating Anna Karolína Schmiedlová in the second round; she was defeated in the third round by eighth seed Sabine Lisicki. At the Eastbourne International, Rybáriková managed to get into the main draw after winning two matches in qualifying. However, she lost in the first round to Svetlana Kuznetsova. At the Wimbledon Championships, Rybáriková upset eighth seed Ekaterina Makarova in her second-round match. In the third round, she was defeated by qualifier Olga Govortsova. Competing at the İstanbul Cup, Rybáriková reached the semifinals and lost to Urszula Radwańska. She began her US Open Series at the Washington Open where she was defeated in the first round by