her first tournament with Justine Henin acting as a coaching consultant, Svitolina advanced to the semifinals in Dubai, defeating qualifier Jana Čepelová, earning her first top-10 win of the year over second seed Garbiñe Muguruza, and battling past CoCo Vandeweghe in three sets, before losing to eventual champion Sara Errani. Svitolina subsequently lost in the first round in Doha to Denisa Allertová. Her next tournament was the Malaysian Open where she defeated Miyu Kato, Risa Ozaki, Kristína Kučová, and Zhu Lin en route to the final where she beat a resurgent Eugenie Bouchard in a rain-interrupted marathon to win her fourth WTA title. This victory saw her maintain her perfect record in WTA finals, as well as improving her ranking to a career high of 14. At the Indian Wells Open, 17th-seed Svitolina defeated Annika Beck, before losing in straight sets to ninth-seed Roberta Vinci. Then, in Miami, after defeating Australian Open quarterfinalist Zhang Shuai, Svitolina scored one of the biggest victories of her career, coming from a break down in the third set to defeat former WTA No. 1, Caroline Wozniacki, in three sets in the third round. Svitolina subsequently lost in the fourth round to Ekaterina Makarova, who beat her at the same tournament the prior year. Svitolina began her clay-court season with a disappointing first-round loss to Alexandra Panova in Bogotá, followed by a second-round loss to Daria Gavrilova in Madrid, and a first-round loss to qualifier Monica Puig in Rome. Entering the French Open in poor form, Svitolina beat Romanian qualifier Sorana Cîrstea and wildcard Taylor Townsend before beating nemesis and former world No. 1, Ana Ivanovic, in straight sets. She then lost in the fourth round to world No. 1, defending champion, and eventual finalist Serena Williams. In Birmingham, she lost in the first round to Carla Suárez Navarro. At Wimbledon, she beat Naomi Broady in straight sets before being upset by Yaroslava Shvedova. At the Rio Olympics, Svitolina scored her first win over defending champion and then-world No. 1, Serena Williams, in the third round to reach the quarterfinals, defeating the out-of-sorts American in straight sets. Svitolina failed to follow up her landmark victory in the next round, however, losing to eventual bronze medalist Petra Kvitová. American hardcourt season began with a run to the third round of Montréal, losing to Angelique Kerber. After a disappointing early loss to Daria Gavrilova in Cincinnati, she