Aliona Bolsova

Aliona Vadimovna Bolsova Zadoinova (Aliona Bolșova; Алёна Вадимовна Большова; born 6 November 1997) is a Spanish-Moldovan tennis player.

On the ITF Junior Circuit, Bolsova had a combined career-high ranking of No. 4, and reached the quarterfinals of the 2015 Australian Open.

Bolsova has career-high WTA rankings of 88 in singles and 54 in doubles. She has won five doubles titles on the WTA Challenger Tour along with nine singles and 13 doubles titles on the ITF Circuit.

Playing for Spain, Bolsova has a win–loss record of 4–3 in Billie Jean King Cup competition (as of July 2024).

Personal life
Bolsova moved from Moldova to Spain at a young age. Her father, Vadim Zadoinov, and her mother, Olga Bolșova, were both Olympic athletes, and so were her maternal grandparents, athletes Viktor Bolshov and Valentyna Maslovska.

She represented Moldova from 2012 to 2013, until she gained Spanish citizenship in 2013.

College career
Bolsova played for Oklahoma State University's tennis team as a freshman in the 2016–17 season in NCAA play. There, her record was 31–7 in singles and 25–7 in doubles. Her tenure included helping OSU's team reach the final of the 2017 Big 12 Conference championship and the quarterfinals of the 2017 NCAA tournament.

In 2018, Bolsova played for Florida Atlantic University, going undefeated in singles with a record of 19–0. In doubles, she went 15–3. Bolsova turned professional following the Conference USA championship of 2018.

Professional career
At the 2019 French Open, she qualified for the main draw and reached the fourth round on her Grand Slam debut in which she lost to Amanda Anisimova.

She entered the 2023 French Open as a lucky loser, after an absence in the main draw at this major since 2020, and won her first-round match against Kristína Kučová.

Performance timelines
''Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup/Billie Jean King Cup and Olympic Games are included in win–loss records. ''

Singles
Current through the 2023 French Open.

Doubles
Current through the 2023 Australian Open.