the Katowice Open, Cornet was defeated in the second round by Francesca Schiavone. Starting her clay-court season at the Porsche Tennis Grand Prix, Cornet lost in the first round to Julia Görges. In Prague, Cornet fell in her first-round match to Czech wildcard Kateřina Siniaková. At the Madrid Open, Cornet was eliminated in the second round by fourth seed Victoria Azarenka. Competing in Rome, she lost her first-round match to Misaki Doi. Seeded ninth at the Internationaux de Strasbourg, Cornet was defeated in the first round by qualifier Alla Kudryavtseva. At the French Open, she reached the third round where she lost to ninth seed Venus Williams. Cornet played just one tournament before Wimbledon. In Eastbourne, she was defeated in the first round by Caroline Wozniacki. Cornet lost in the third round at the Wimbledon Championships to ninth seed Madison Keys. Seeded seventh at the Stanford Classic, Cornet was defeated in the second round by Zheng Saisai. Competing at the Rogers Cup in Toronto, Cornet fell in her first-round match to Andrea Petkovic. Playing for France at the Summer Olympics, Cornet lost in the second round to top seed, Serena Williams. Getting past qualifying at the Cincinnati Open, Cornet retired during her second-round match against ninth seed Carla Suárez Navarro. At the final grand slam of the year, the US Open, Cornet was defeated in the first round by Mirjana Lučić-Baroni. Making it through qualifying at the Wuhan Open, Cornet lost in the first round to tenth seed and eventual finalist Dominika Cibulková. 2017: First Premier final in doubles Cornet played her first tournament of the year at the Brisbane International. Being unseeded, she defeated No. 7 seed Elena Vesnina and Christina McHale in the first and second round respectively before causing a big upset in the quarterfinals by beating Dominika Cibulková, the No. 2 seed. Garbiñe Muguruza (seeded No. 4) retired after she was trailing Cornet 1–4 in the first set of the semifinal, enabling Cornet to reach the final (her second Premier career final), where she lost to No. 3 seed Karolína Plíšková 0–6, 3–6. At the Australian Open, Cornet was seeded No. 28. She defeated French wildcard Myrtille Georges in the first round before losing to Maria Sakkari in the second. Cornet played in the 2017 Fed Cup World Group quarterfinal tie against Switzerland, in which she lost the first singles match (her only match) to Timea