in her second-round match to Alison Riske. At the Italian Open, Cornet won two qualifying matches to reach the singles main draw, where she defeated No. 9 seed and world No. 10, Aryna Sabalenka, in the first round and lost her second-round match against Carla Suárez Navarro. Cornet was suffering from an injured abductor muscle and retired from the match against Suárez Navarro when the latter was leading 6–3, 3–0. 2020: US Open 4th round Cornet began her 2020 season at the Auckland Open. She reached the quarterfinals where she retired against eventual finalist Jessica Pegula due to an upper-right thigh injury. Cornet lost in the second round at the Hobart International to third seed and eventual champion Elena Rybakina. At the Australian Open, she was defeated in the second round by 19th seed Donna Vekić. Coming through qualifying at the St. Petersburg Ladies' Trophy, Cornet fell in her second-round match to sixth seed Maria Sakkari. Seeded fourth at the first edition of the Lyon Open, she made it to the second round where she lost to Camila Giorgi. Due to the COVID-19 pandemic, many of the WTA tournaments were cancelled. Cornet returned to action in August at the Cincinnati Open. She stunned second seed Sofia Kenin in the second round. She was defeated in the third round by eventual champion, Victoria Azarenka. Cornet then made her first second week at the US Open in September, after reaching the fourth round, completing the sweep of second-week appearances at each of the four Grand Slam events. There, she lost to Tsvetana Pironkova. Competing at the Internationaux de Strasbourg, Cornet was defeated in the second round by fifth seed and eventual finalist, Elena Rybakina. At the French Open, Cornet lost her second-round encounter to Zhang Shuai. Cornet ended the year ranked No.53. 2021: Fourth Olympics participation, 14th final, two top-10 wins Cornet started her 2021 season in January at the first edition of the Abu Dhabi Open. She lost in the second round to Paula Badosa. Cornet was defeated in the second round of the first edition of the Gippsland Trophy by second seed Naomi Osaka. At the Australian Open, she lost in the second round to Ann Li. Seeded 15th at the first edition of the Phillip Island Trophy, Cornet was defeated in the first round by Australian wildcard Kimberly Birrell. Seeded fifth at the Lyon Open, she lost in the