2013 Australian Open doubles champions Errani and Vinci. Cornet began clay-court season at the Copa Colsanitas tournament in Colombia where she was defeated in the second round. She improved upon this performance in her next tournament, the Mexican Open, reaching the semifinals before being defeated by eventual champion Sara Errani. Next, she won the Internationaux de Strasbourg, defeating Lucie Hradecká in the final. Cornet entered the French Open playing some of her best tennis of the year, and advanced to the third round before being defeated by third-seeded Victoria Azarenka. On 24 June, she achieved a season-high ranking of No. 31. At Wimbledon, Cornet advanced to the third round, a personal best for the tournament, but suffered a disappointing defeat by Flavia Pennetta there after winning the first set 6–0 and having match point in the second. During the US Open Series, she reached the semifinals at the Washington Open where she lost to Andrea Petkovic. Then, she recorded two consecutive third-round appearances at Toronto and Cincinnati Open where she lost to Sara Errani and Magdaléna Rybáriková respectively. At the final Grand Slam event of 2013, the US Open, Cornet was seeded 26th and reached the third, losing to Victoria Azarenka in three sets. In September, Cornet played in Guangzhou as the second seed where she lost to Yvonne Meusburger in quarterfinals. She then suffered two first-round defeats at Tokyo and Beijing in the hands of Stosur and veteran Schiavone, respectively. At the Kremlin Cup, Cornet defeated Elina Svitolina in round one before succumbing to Stosur again. Her final tournament of 2013 was the Tournament of Champions, held in Sofia. She qualified for the first time as a result of winning the title in Strasbourg earlier and was the seventh seed. However, she lost in round-robin stage, managing just one win over Maria Kirilenko via retirement. Her other two losses came in the hands of Simona Halep and Anastasia Pavlyuchenkova. Cornet ended the year at No. 27, her highest since 2008. 2014: Serena Williams' nemesis Cornet started the year ranked 26th. She teamed with Jo-Wilfried Tsonga to win the Hopman Cup for Team France. She lost to Maria Sharapova in the third round at the Australian Open. At the Dubai Championships, in what was the fourth match between them, Alize defeated world No. 1, Serena Williams, for the first time to reach the finals. However, also in a fourth match