Aliona Bolsova
Aliona Vadimovna Bolsova Zadoinova 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 15 doubles titles on the ITF Circuit.
Playing for Spain, Bolsova has a win-loss record of 4–3 in Billie [Jean King Cup] competition.
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
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
At the 2019 French Open, she qualified for the main draw and reached the fourth round on her major debut in which she lost to Amanda Anisimova.Partnering with Rebeka Masarova, Bolsova won the doubles draw at the 2022 Internacional de Valencia, defeating Alexandra Panova and Arantxa Rus in the final. She also won the doubles title at the 2022 Țiriac Foundation Trophy, teaming with Andrea Gámiz to overcome Réka Luca Jani and Panna Udvardy in the final.
Bolsova entered the main draw at the 2023 French Open as a lucky loser and won her first-round match against Kristína Kučová, before losing to Anna Karolína Schmiedlová.
Partnering Katarzyna Kawa, she was runner-up in the doubles at the 2024 Țiriac Foundation Trophy, losing to Carole Monnet and Darja Semeņistaja in the final.
Bolsova was also runner-up in the doubles at the 2024 Bolivia Open, partnering with Valeriya Strakhova, and losing the final to Nuria Brancaccio and Leyre Romero Gormaz.
Bolsova announced her planned retirement in the spring of 2026, with the 2026 Australian Open being her last appearance at this level.
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.''WTA Tour finals
Doubles: 1 (runner-up)
| Result | Date | Tournament | Tier | Surface | Partner | Opponent | Score | |||||||||||||||||||||||||||||
| Loss | [2021 Budapest Grand Prix – Doubles|] | Budapest Grand Prix, Hungary | WTA 250 | Clay |  ITF Circuit finalsSingles: 19 (9 titles, 10 runner-ups)
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