She was also beaten by Gavrilova in the semi-finals of the Internationaux de Strasbourg. At the French Open, Garcia beat Nao Hibino, Chloé Paquet, Hsieh Su-wei and Alizé Cornet to reach her first Grand Slam singles quarter-final, where she lost to the No. 2 seed Karolína Plíšková. Garcia reached a career-high ranking of No. 21 in the singles rankings. Garcia continued her good form at Wimbledon by reaching the fourth round for the first time, where she lost to the No. 6 seed, Johanna Konta, in three tight sets. She then reached the singles semifinals in Mallorca and Båstad and the singles quarterfinals at the Rogers Cup and Pan Pacific Open. Garcia won her first career Premier-5 singles title at the Wuhan Open. It was the biggest singles title won by any French female player since Marion Bartoli won Wimbledon in 2013. At Wuhan, the unseeded Garcia defeated the No. 12 seed Angelique Kerber in the first round, registered her first victory of 2017 over a player ranked in the top 10 of the WTA singles rankings by beating the No. 7 seed Dominika Cibulková in the third round, and went on to defeat the unseeded Ashleigh Barty in three sets in the final. Garcia reached a career-high of No. 15 in the WTA singles rankings. At the China Open, Garcia progressed to the quarterfinals after defeating Elise Mertens and Cornet. She then saved a match point in her three-set victory over the third seed Elina Svitolina to reach the semifinals. She defeated Petra Kvitova in straight sets to reach her second consecutive WTA final, where she beat the newly crowned No. 1, Simona Halep in straight sets to win her first Premier-Mandatory title, becoming the first WTA player to win the Wuhan and China Open in the same year. After Johanna Konta pulled out of the Kremlin Cup, Garcia was confirmed to be the final qualifier for the WTA finals. Garcia lost her first match in the WTA Finals to Halep in straight sets, but then beat both Svitolina and Caroline Wozniacki in three sets to reach the semi-finals, where she was defeated by Venus Williams. After starting her season in Brisbane, Garcia played at the Australian Open.