Aryna Siarhiejeŭna Sabalenka is a Belarusian professional tennis player. She is a former world No. 1 in both singles and doubles by the Women's Tennis Association (WTA). Sabalenka has won two major singles titles, at the 2023 and 2024 Australian Opens, and two major doubles titles at the 2019 US Open and the 2021 Australian Open, both partnering Elise Mertens. She has won 20 career titles in total, 14 in singles and six in doubles.
Sabalenka was relatively unknown until 2017, when she led the Belarus Fed Cup team to a runner-up finish with Aliaksandra Sasnovich, despite both of them being ranked outside the top 75 at the time. She finished both 2018 and 2019 ranked No. 11 in the world in singles. Following two major singles semifinal appearances in 2021, Sabalenka peaked at the world No. 2 ranking, but struggled to consistently maintain that success in 2022. In 2023, she won her first major singles title at the Australian Open, reached the semifinals at all four major tournaments (also finishing runner-up at the US Open), and obtained the world No. 1 ranking, being named the ITF World Champion for the season.
Sabalenka also began playing doubles regularly in 2019. With Mertens as her partner, she completed the Sunshine Double by winning the two Premier Mandatory tournaments in March, the Indian Wells Open and the Miami Open. After the US Open doubles title later in the year, she also qualified for the WTA Finals for the first time.
Sabalenka has a very aggressive style of play, often accumulating high numbers of winners and unforced errors. With her height, she also has a very powerful serve.