Aryna Siarhiejeŭna Sabalenka (Belarusian: Арына Сяргееўна Сабаленка; Russian: Арина Сергеевна Соболенко, Arina Sergeyevna Sobolenko, born 5 May 1998) is a professional tennis player from Belarus. Sabalenka has a career-high WTA singles ranking of No. 20, achieved on 27 August 2018. On 25 August 2018, Sabalenka won her first career WTA championship, defeating Carla Suarez Navarro in the finals of the Connecticut Open in New Haven. Additionally, she has won five ITF singles titles and one ITF doubles title. Prior to winning in New Haven, the biggest final of her career came at Eastbourne International, where she fell to Caroline Wozniacki. Sabalenka has represented Belarus in Fed Cup, where she has a win-loss record of 6–7.