Sorana Mihaela Cîrstea (; born 7 April 1990) is a Romanian professional tennis player. She reached a career-high singles ranking of world No. 15 in September 2026, becoming the oldest player to debut in the singles top 15 in the WTA rankings. Cîrstea’s best results are reaching the quarterfinals at the 2009 and the 2026 French Opens and at the 2023 US Open. Her best doubles ranking is No. 35, achieved in 2009.
Cîrstea has won four WTA Tour singles and seven doubles titles. Outside of the majors, her best achievements include reaching a WTA 1000 final in singles at the 2013 Rogers Cup and winning the 2025 Madrid Open doubles title with Anna Kalinskaya. Cîrstea has reached the semifinals of a further three WTA 1000 events in singles. She has recorded 25 career wins over top-10 players over the course of her career.
Early and personal life Sorana Cîrstea was born to Mihai and Liliana in Bucharest. She resides in Târgoviște, her parents' home town. She has a younger brother, Mihnea. Cîrstea was introduced to tennis at the age of four by her mother. Sorana's father owns an ice cream factory in Târgoviște. She has cited Steffi Graf and Roger Federer as her idols.
Career 2005–2006: Junior and turning pro Cîrstea is a former ITF Junior Circuit top-ten player, reaching a highest combined ranking of No. 6 in 2006. Her best results include a title in the 2005 German Junior Open (Grade 1), a tournament in which she was finalist the year before, defeating Erika Zanchetta in three sets in the final, and a runner-up place in the 2006 Trofeo Bonfiglio (Grade A), where she lost in the final to compatriot Ioana Raluca Olaru after having defeated the top-ranked world junior player Anastasia Pavlyuchenkova in the semifinals. She also made final appearances at the year-ending Grade-1 juniors tournaments, Eddie Herr International and Yucatán World Cup, in 2005 and 2006, and in the Opus Nottinghill International in 2006.
She turned professional in 2006 and ended the year at No. 353 in the WTA rankings.
2007–2008: First WTA Tour title, top 40 In April 2007, she reached the final of the Budapest Grand Prix, a Tier-III event, as a qualifier. All of her main draw matches went to three sets. She beat Martina Müller in the second round, Eleni Daniilidou in the quarterfinals and Karin Knapp in the semifinals before losing to Gisela Dulko in the final. She was the first Romanian to reach a WTA Tour final since Ruxandra Dragomir in June 2000. During her run, she beat two players ranked inside the top 40. The following month, Cîrstea played in the junior tournament of the 2007 French Open where she reached the doubles final with Alexa Glatch, losing to the third seeds Ksenia Milevskaya and Urszula Radwańska.
She competed for Romania in the women's singles at the 2008 Summer Olympics, losing in the first round to Shahar Pe'er. In October 2008, Cîrstea won her first WTA title in Tashkent by defeating fourth seed and world No. 64, Sabine Lisicki, in three sets. She also won her first two WTA titles in doubles that year. At the end of 2008, she was No. 36 in the WTA singles rankings and the No. 1 Romanian, aged only 18 years.
2009: French Open quarterfinals
Cîrstea began new season by losing to Dinara Safina at the Sydney International, in straight sets. In the doubles tournament, she partnered Vera Dushevina and reached the second round, defeating Kuznetsova/Petrova before losing to Black/Huber. At the Australian Open, she lost in the first singles round to Melinda Czink, but reached the second round of the doubles with Monica Niculescu, defeating Ditty/Gullickson and losing to Dechy/Santangelo.
Cîrstea lost in the first rounds of the Open GdF Suez and Dubai Championships, to Nathalie Dechy and Dominika Cibulková respectively. In doubles, she again partnered Monica Niculescu in Suez, reaching the semifinals before injury forced them to lose in a walkover to Peschke/Raymond. In Dubai, she partnered Arina Rodionova and they lost in the first round to Kirilenko/Radwańska. Cîrstea received a bye in the first round at Indian Wells, but lost in the second to Elena Vesnina. In the doubles tournament, she partnered Galina Voskoboeva and lost in the first round to Mattek-Sands/Washington. Cîrstea finished her hardcourt season with a loss in the first round of the Miami Open to the qualifier Mariya Koryttseva. Her doubles effort in Miami with Caroline Wozniacki also ended in the first round, with a loss to Kuznetsova/Mauresmo.
Her clay-court season began at the inaugural Andalucia Tennis Experience in Marbella. She reached the semifinals, defeating Ioana Olaru, Andreja Klepač and Kaia Kanepi before losing to Carla Suárez Navarro. In the doubles, she partnered Ioana Olaru and they reached the quarterfinals, before losing to Hercog/Ulirova. At the Barcelona Ladies Open, Cîrstea lost in the first round of the singles tournament to Anastasiya Yakimova, but reached the finals of the doubles tournament with Andreja Klepač. They defeated Grönefeld/Senoglu, Ani/Voráčová, and Hlaváčková/Hradecká, before falling to Vives/Sanchez in the final. A week later, at Fes, Cîrstea again lost in the first round of the singles tournament, to Lourdes Domínguez Lino, and again reached the finals of the doubles tournament, with Maria Kirilenko. Cîrstea/Kirilenko defeated Fernandez-Brugues/Thorpe, Czink/Keothavong, and Hercog/Olaru, before losing to Kleybanova/Makarova in three sets.
At the Estoril Open, Cîrstea reached the quarterfinals of the singles tournament, defeating Kimiko Date-Krumm and Maret Ani, before falling to the eventual champion Yanina Wickmayer. In the doubles, she again partnered Kirilenko, defeating Ivanova/Yakimova, before losing to Coin/Pelletier in the quarterfinals. At Madrid, she lost in the first rounds of both the singles and the doubles tournaments, falling to Alona Bondarenko in two sets in the singles, and partnering Vladimíra Uhlířová in the doubles to lose to Makarova/Kudrayvtseva in the super-tiebreaker.
Cîrstea then had her breakthrough tournament at the French Open. She began with wins over Carly Gullickson and an upset of the 21st seed Alizé Cornet to advance to the third round of a Grand Slam tournament for the first time. She then defeated her doubles partner Wozniacki, the tenth seed. Cîrstea continued her unlikely run with a three set upset over the fifth-seeded Jelena Janković to reach her first major quarterfinal, where she faced the 30th seed Sam Stosur, losing in straight sets. Her doubles effort with Wozniacki ended in the first round with a loss to Pennetta/Kirilenko.
At the Rosmalen Open in the Netherlands, she defeated Niculescu in three sets but lost in the second round to Yanina Wickmayer. She paired with Dinara Safina for the doubles tournament, defeating Grönefeld/Niculescu in the first round and losing to Errani/Pennetta in the second round. At Wimbledon, Cîrstea was seeded 28th. She defeated Edina Gallovits and Sania Mirza in the first two rounds, but lost to the eighth seed Victoria Azarenka in the third round. In the doubles, she once again partnered Wozniacki, but lost in the second round to Koryttseva/Poutchek. At the Swedish Open in Båstad, Cîrstea defeated the qualifier Johanna Larsson before losing to Gisela Dulko in the second round. She and Wozniacki lost in the second round to Kondratieva/Lefevre. Two weeks later, Cîrstea lost in the first round of the Stanford Classic to Agnieszka Radwańska. Partnering Maria Kirilenko, she reached the semifinals of the doubles, defeating Granville/Gullickson and Coin/Pelletier, before losing to Chan/Niculescu.
Cîrstea had another improbable run at the LA Championships in August. She upset Wozniacki and Radwańska, despite Radwańska serving for the match in the third set, but lost to Stosur in the semifinals. Cîrstea/Wozniacki lost in the first round of the doubles to Chang/Yan. At the Cincinnati Masters, she defeated Meghann Shaughnessy and Anna-Lena Grönefeld, before losing to the fourth seed Elena Dementieva, but achieved a career high ranking of No. 23. At the US Open, Cîrstea was seeded 24th. She defeated Ayumi Morita and Stéphanie Dubois before losing in the third round to the eventual finalist Wozniacki, the No. 9 seed and her doubles partner. Cîrstea/Wozniacki defeated Bammer/Schruff and Azarenka/Zvonareva before losing in the third round to the eventual champions, Williams/Williams. After the US Open, Cîrstea lost her next five matches, in the Korea Open, Pan Pacific Open, China Open, Linz Open and Kremlin Cup.
She finished 2009 ranked No. 43 in the world, with a 21–24 match record.
2010: Struggles with form
In the 2010 Hopman Cup in early January, Cîrstea played with Victor Hănescu. Romania were seeded sixth and finished last in their group, winning against the Australian team of Sam Stosur and Lleyton Hewitt, but losing to the Spains María José Martínez Sánchez and Tommy Robredo, the eventual champions, and the American team of Melanie Oudin and John Isner. Cîrstea posted a three-set win over Stosur and, with Hanescu, a two set win over Stosur and Hewitt. She lost in straight sets to Martínez Sánchez and Oudin.
She easily lost in the first round of the Hobart tournament to Peng Shuai. At the Australian Open, she defeated Olivia Rogowska, and lost in the second round to Alisa Kleybanova. She partnered Anastasia Pavlyuchenkova in the doubles tournament, losing to Kirilenko/Radwańska in the first round.
Her next tournament was the Open GdF Suez in Paris, where she fell to Oudin. She lost in straight sets in the first rounds of the Dubai, Acapulco, and Monterrey tournaments, to Francesca Schiavone, Sharon Fichman, and Sara Errani, respectively. In Indian Wells, she reached the second round, first defeating Kaia Kanepi, before losing to Zheng Jie. Two weeks later at the Miami Open, Cîrstea defeated Michelle Larcher de Brito before losing in the second round to the third seed Venus Williams.
In the clay-court season, Cîrstea prevailed over the sixth seed Maria Kirilenko in the first round of the Andalucia Tennis Experience. She then lost in the second round to her fellow Romanian Simona Halep. At the Barcelona Open, she defeated Tamira Paszek, but lost in the second round to Iveta Benešová, in straight sets. Cîrstea was seeded second at the Estoril Open and defeated her compatriot Ioana Olaru in the first round and Larcher de Brito in the second. In the quarterfinals, she beat Arantxa Rus but fell to Arantxa Parra Santonja in the semifinals. In the doubles, she partnered Anabel Medina Garrigues to win the tournament, beating Peng/Zhang, Manasieva/Olaru and Diatchenko/Vedy. Cîrstea lost to Flavia Pennetta in three sets in the first round of the Madrid Open. Two weeks later, she qualified in Strasbourg, losing to Elena Baltacha in the first round.
At the French Open, she lost in the first round to the defending champion Svetlana Kuznetsova. At Eastbourne, she defeated Francesca Schiavone, losing in the second round to Kuznetsova in three sets. At Wimbledon, she was defeated by Petra Kvitová in the first round. At the Budapest Grand Prix, she lost in the first round to the qualifier Zuzana Ondrášková. She lost in the quarterfinals at the İstanbul Cup to Pavlyuchenkova and the Danish Open to Klára Zakopalová. In Cincinnati, she lost in the first round to Sybille Bammer. At the US Open, Cîrstea lost to Sofia Arvidsson. She ended the year as world No. 93 in the WTA rankings.
2011: Doubles title, singles top 60
At the Australian Open, Cîrstea defeated Mirjana Lučić before she was beaten by Shahar Pe'er in the second round. In the doubles tournament, she played with Lucie Šafářová and defeated the team of Sarah Borwell and Marie-Ève Pelletier, in three sets. In the second round they lost to Cara Black and Anastasia Rodionova.