素蘭娜·姬絲迪亞
索拉娜·科斯蒂亚（，）是羅馬尼亞女子網球運動員，2006年轉為職業網球員。她的WTA最高單打排名為第21位，現時世界單打排名為第53位，而世界雙打排名為第889位。
Cîrstea is a power player. Her groundstrokes are often erratic with an emphasis on going for a winner leading her to make a high amount of unforced errors per match but with a high number of winners. According to the "Tennis Spy", her long stride means she covers ground while not appearing to move particularly quickly. As a doubles player, she is also a very solid volleyer. Her forehands and backhands are delivered quickly on both sides.
Cîrstea was born to Mihai and Liliana in Bucharest, but currently resides in Târgoviște where her parents are from. She also 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. She is currently coached by Marius Comanescu and Andrei Cociasu.
In 2014, Cîrstea started dating Colombian tennis player Santiago Giraldo. Cîrstea speaks Romanian, English, Spanish, and French.
Cîrstea is a former ITF Junior Circuit top-ten player, reaching her highest ranking of no. six on 26 June 2006. Her best results include a title in the 2005 German Junior Open (Grade 1) defeating Erika Zanchetta 6–2, 6–7, 6–3 in the final, a tournament she was finalist the year before and a runner-up place in the 2006 Trofeo Bonfiglio (Grade A) where she lost in the final to her compatriot Ioana Raluca Olaru after having defeated the then-top ranked world junior player Anastasia Pavlyuchenkova in the semifinals. She also made final appearances at the year-ending ITF 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 pro in 2006 and ended her first professionial year as No.353 in WTA Rankings.
In April 2007, she reached the final of the Budapest Grand Prix, a Tier III event held in Budapest, Hungary, as a qualifier. During the tournament, all of her main draw matches were pushed to three sets. She beat Martina Müller in the second round, Eleni Daniilidou in the quarter-finals and Karin Knapp in the semi-finals before losing to Gisela Dulko in the final. By making it to the final, she became the first Romanian player to reach a Tour final since Ruxandra Dragomir in June 2000. During her run, she beat two players ranked inside the WTA top 40. Next month, Cîrstea played in the junior tournament of the 2007 French Open where she reached the doubles final, along with partner Alexa Glatch, losing to the third seeds Ksenia Milevskaya and Urszula Radwańska.
In October 2008, Sorana won her first WTA title in Tashkent by defeating 4th 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 WTA Rankings (singles) and the best ranked Romanian woman player in that moment, with only 18 years old.
Cîrstea began the year ranked 36th, losing to Dinara Safina at the Medibank International in Sydney in straight sets. In the doubles tournament, she partnered with Vera Dushevina and reached the second round, defeating Kuznetsova/Petrova before losing to Black/Huber. At the Australian Open, she lost in the first round of the singles tournament to Melinda Czink, but reached the second round of the doubles tournament with partner Monica Niculescu, defeating Ditty/Gullickson, and losing to Dechy/Santangelo.
As a singles player, Cîrstea lost in the first rounds of the 2009 Open GDF Suez and Barclays Dubai Tennis Championships, to Nathalie Dechy and Dominika Cibulková respectively. In doubles, she again partnered with Monica Niculescu for the Open GDF Suez, reaching the semifinals of the tournament before injury forced them to lose in a walkover to Peschke/Raymond. In Dubai, she partnered with Arina Rodionova and lost in the first round to Kirilenko/Radwańska. Cîrstea received a bye in the first round of the BNP Paribas Open in Indian Wells, but lost in the second round to Elena Vesnina. In the doubles tournament, she partnered with 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 Sony Ericsson Open in Miami to qualifier Mariya Koryttseva. Her doubles effort in Miami with Caroline Wozniacki also ended in the first round with a loss to Kuznetsova/Mauresmo.
Cîrstea's clay season began at the inaugural Andalucia Tennis Experience in Marbella, Spain. She reached the semifinals, defeating Ioana Olaru (in straight sets), Andreja Klepač and Kaia Kanepi (both in three sets) before losing to Carla Suárez Navarro. In doubles, she partnered with Ioana Olaru and reached the quarterfinals, before losing to Hercog/Ulirova . At the Barcelona Ladies Open in April, Cîrstea lost in the first round of the singles tournament to Anastasiya Yakimova , but reached the finals of the doubles tournament with her partner Andreja Klepač. They defeated Groenefeld/Senoglu, Ani/Voráčová, and Hlaváčková/Hradecká, before falling to Vives/Sanchez in the final 6–3, 2–6, [8–10]. A week later, at the Fes tournament, Cîrstea again lost in the first round of the singles tournament, this time to Lourdes Domínguez Lino and again reached the finals of the doubles tournament, this time 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 in Portugal, Cîrstea reached the quarterfinals of the singles tournament, defeating Kimiko Date-Krumm and Maret Ani, before falling to eventual champion Yanina Wickmayer. In doubles, she again partnered with Kirilenko, defeating Ivanova/Yakimova, before losing to Coin/Pelletier in the quarterfinals. At the Madrid tournament, she lost in the first rounds of both the singles and the doubles tournaments, falling to Alona Bondarenko 2–6, 2–6, in the singles and partnering with Vladimíra Uhlířová in the doubles to lose to Makarova/Kudrayvtseva 6–2, 6–7, [3–10]. Cîrstea then had her breakthrough tournament at the 2009 French Open. She began her campaign with wins over Carly Gullickson and an upset of 21st seed Alizé Cornet. Having advanced to the third round of a Grand Slam for the first time, she defeated doubles partner Caroline Wozniacki, the tenth seed 7–6, 7–5. Cîrstea continued her unlikely run with a 3–6, 6–0, 9–7 upset over the fifth-seeded Jelena Janković to advance to her first Grand Slam quarterfinal, where she faced 30th seed Samantha Stosur, losing 1–6, 3–6. Her doubles effort with Wozniacki ended in the first round with a 4–6, 4–6 loss to Pennetta/Kirilenko. At the Ordina Open in the Netherlands, she defeated Monica Niculescu in three sets but lost in second round to Yanina Wickmayer. She paired with Dinara Safina for the doubles tournament, defeating Groenefeld/Niculescu in the first round and losing to Errani/Pennetta in the second round. At the 2009 Wimbledon Championships, Cîrstea was seeded 28th. She defeated Edina Gallovits and Sania Mirza in the first two rounds, but lost 6–7, 3–6 to eighth seed Victoria Azarenka in the third round. In doubles, she once again partnered with Wozniacki, but lost in the second round to Koryttseva/Poutchek. After Wimbledon, Cîrstea entered the Swedish Open in Båstad, defeating qualifier Johanna Larsson before losing to Gisela Dulko in the second round. She partnered with Wozniacki yet again, losing in the second round to Kondratieva/Lefevre. Two weeks later, Cîrstea lost in the first round of the Bank of the West Classic to Agnieszka Radwańska. Partnering in doubles with Maria Kirilenko, she reached the semifinals, defeating Granville/Gullickson and Coin/Pelletier, before losing to Chan/Niculescu.
Cîrstea had another improbable run at the LA Women's Championships in August, a warm-up to the US Open. En route to the semifinals, she upset fourth seed and doubles partner Wozniacki and Radwańska, despite Radwańska's serving for the match at 4–5 in the third set. In the semifinals, Cîrstea lost to Samantha Stosur. Cîrstea/Wozniacki lost in the first round to Chang/Yan. Her performance at LA earned her the No.24 ranking going into the Cincinnati Masters, where she defeated Meghann Shaughnessy and Anna-Lena Grönefeld before losing to 4th seed Elena Dementieva. After Cincinnati on 17 August, she achieved her career high ranking, No.23. At the 2009 US Open, Cîrstea was seeded 24th. She defeated Ayumi Morita in the 1st round and Stéphanie Dubois of Canada in the 2nd round before losing in the third round to eventual finalist Caroline Wozniacki, the no. 9 seed and her doubles partner. Cîrstea/Wozniacki defeated Bammer/Schruff and Azarenka/Zvonareva before losing in the third round to eventual champions Williams/Williams. After the US Open, Cîrstea lost her next five matches, posting first-round losses in the Hansol Korea Open, Toray Pan Pacific Open, China Open, Generali Ladies and Kremlin Cup.
She finished 2009 ranked 43rd in the world with a 21–24 match record.
In the 2010 Hopman Cup in early January, she played on behalf of Romania with Victor Hănescu. Romania was seeded sixth and finished last in their group, winning against the Australian team of Samantha Stosur and Lleyton Hewitt, but losing to the Spanish team of María José Martínez Sánchez and Tommy Robredo, the eventual champions, and the American team of Melanie Oudin and John Isner. Cîrstea posted a 3–6, 6–4, 6–3 win over Stosur and, with Hanescu, a 7–5 6–1 win over Stosur and Hewitt to win the Australian match. She lost in straight sets to Sanchez and Oudin.
Leading up to the Australian Open, she lost in the first round of the Hobart tournament to Peng Shuai 1–6, 4–6. At the Australian Open in January, she defeated Olivia Rogowska in the first round 6–3, 2–6, 6–2, but lost in the second round to Alisa Kleybanova 4–6, 3–6. She partnered with Anastasia Pavlyuchenkova in the doubles tournament, losing to Kirilenko/Radwańska in the first round 6–0, 6–7, 6–2.
Her next tournament was the Open GDF Suez in Paris, where she fell to Melanie Oudin 3–6, 0–6. 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. At the 2010 BNP Paribas Open in Indian Wells, California, she reached the second round, first defeating Kaia Kanepi 6–7, 6–3, 6–4, but ultimately losing to Zheng Jie 3–6, 5–7. In Miami two weeks later at the 2010 Sony Ericsson Open, Cîrstea defeated Michelle Larcher de Brito in a two-set thriller 7–5, 7–6 before losing in the second round to 3rd seed Venus Williams 4–6, 3–6.
Moving into the clay season, Cîrstea prevailed over 6th seed Maria Kirilenko in the first round of the 2010 Andalucia Tennis Experience 4–6, 7–6, 6–4. She then lost in the second round to fellow Romanian Simona Halep 4–6, 6–7. At the 2010 Barcelona Ladies Open she defeated Tamira Paszek 6–4, 7–6, but lost in the second round to Iveta Benešová 1–6, 4–6. Cîrstea was seeded 2nd at the 2010 Estoril Open and defeated compatriat Ioana Raluca Olaru 6–3, 3–6, 6–1 in the first round and Michelle Larcher de Brito 7–5, 7–5 in the second. In the quarterfinals, she beat Arantxa Rus 6–4, 6–1, but fell to Arantxa Parra Santonja, 6–1, 6–4 in the semifinals. In doubles, she partnered with Anabel Medina Garrigues to win the tournament, receiving a bye in the first round and posting wins over Peng/Zhang, Manasieva/Olaru and Diatchenko/Vedy. Cîrstea lost to Flavia Pennetta 1–6, 6–1, 1–6 in the first round of the Madrid tournament in May. Two weeks later, she qualified for the Strasbourg tournament, losing to Elena Baltacha 3–6 5–7 in the first round.
At the 2010 French Open, she lost in the first round to defending champion Svetlana Kuznetsova 3–6, 1–6. At the 2010 Aegon International she defeated seed 2 Francesca Schiavone 7–5, 6–3, losing in the second round to Svetlana Kuznetsova with the score 4–6, 7–6, 7–6. At the 2010 Wimbledon Championships she was defeated by defending semifinalist Petra Kvitová with the score in the opening round. At the 2010 GDF Suez Grand Prix she lost in the first round to qualifer Zuzana Ondrášková.She lost in the quarterfinal at the tournaments 2010 İstanbul Cup to Anastasia Pavlyuchenkova and 2010 e-Boks Danish Open to Klára Zakopalová. At the 2010 Western & Southern Financial Group Masters and Women's Open, she qualified but lost in the first round to Sybille Bammer. At the 2010 US Open, Cîrstea lost to Sofia Arvidsson in the first round.
She ended the year placed 93st in WTA Rankings.
At the 2011 Australian Open, Cîrstea defeated Mirjana Lučić of Croatia 6–4, 6–2 before she was beaten by Shahar Pe'er of Israel in the second round 6–3, 6–2. In the doubles tournament, she played with Lucie Šafářová of the Czech Republic and defeated the team of Sarah Borwell of Germany and Marie-Ève Pelletier of Canada 5–7, 6–2, 6–2. In the second round they lost to Cara Blackof Zimbabwe and Anastasia Rodionova of Australia 6–4, 7–5.
In the 2011, Cellular South Cup, Cîrstea defeated Catherine Harrison in the first round 6–4, 6–2, before she lost to Shahar Pe'er 3–6, 2–6 in the second round. In doubles she and her partner Anastasia Pivovarova lost in the first round to Andrea Hlaváčková/Lucie Hradecká 6–3, 6–2. At the 2011 Abierto Mexicano Telcel, Cîrstea defeated Patricia Mayr-Achleitner 6–2, 6–4. In the second round she lost to Laura Pous Tió 6–2, 6–1. Sorana played doubles again now with Andreja Klepač as a partner. They won the first round by defeated Eleni Daniilidou/Jasmin Wöhr 6–2, 6–0. They lost in the second round to Irina-Camelia Begu/Alexandra Panova 6–4, 3–6, [10–7]. Cîrstea qualified in singles for the 2011 BNP Paribas Open. In the first round she lost 3–6, 6–3, 6–3 to Alla Kudryavtseva. In the Sony Ericsson Open, Sorana received a wildcard in singles, but lost 3–6, 6–1, 7–6 in the first round to Zheng Jie of China.
At the 2011 Andalucia Tennis Experience, she lost in the first round 1–6, 6–4, 6–2 to Italian Sara Errani. Sorana paired with Maria Elena Camerin of Italy for the doubles tournament defeating Alberta Brianti/Aurélie Védy 6–4, 6–1. They lost in the second round to Sara Errani/Roberta Vinci 6–4, 6–7, [10–7]. In the next months Sorana didn't have good results. But she proved she is back in the form as she won 2011 Open GDF Suez de Cagnes-sur-Mer Alpes-Maritimes in France. It was a $100,000+ tournament with a lot of top-100 players. She beat Patty Schnyder in the first round and compatriot Alexandra Dulgheru in the second in the 2011 French Open before losing 6–2, 6–2 to China's Li Na.
She then made it into the main draw of the 2011 Wimbledon Championships, where she lost in straight sets to Pauline Parmentier. Sorana played doubles again with Ayumi Morita of Japan defeating Chia-Jung Chuang/Su-Wei Hsieh 6–4, 6–4. They won their second round 7–5, 6–3 against Sophie Lefèvre/ Evgeniya Rodina. They lost in third round to Sabine Lisicki/ Samantha Stosur 4–6, 3–6.
In Båstad, Sweden at the Collector Swedish Open Women, Cîrstea defeated Mirjana Lučić 7–5, 2–6, 7–5 in the first round. She lost 3–6, 3–6 in the second round to Vesna Dolonts. In Palermo, Italy at the XXIV SNAI Open Internationali Femminili di Tennis di Palermo Sorana won her first round match against Andrea Hlaváčková 6–3, 6–2. She lost in second round to Tsvetana Pironkova 2–6, 6–1, 6–1. At the Bucharest ITF of Romania, Cîrstea beat her compatriots Diana Enache and Mădălina Gojnea, before losing in the third round to Laura Pous Tió. She then played in Carlsbad, California at the Mercury Insurance Open. She was beat by Coco Vandeweghe of the United States in the first round 7–5, 6–7, 6–3. Next tournament in Cincinnati, Ohio Western & Southern Open Sorana qualified in singles for the main draw. In the first round she defeated Ksenia Pervak 6–4, 3–6, 6–3, but lost in the second to Jill Craybas 6–4, 1–6, 7–6.
In Dallas, the inaugural tournament of Texas Tennis Open, Cîrstea beat Jarmila Gajdošová 3–6, 6–4, 6–2 in the first round. In the second round she lost to Aravane Rezaï 6–2, 7–6. Sorana played doubles for the first time with Alberta Brianti of Italy. In the first round they defeated Kateryna Bondarenko/Alona Bondarenko 6–3, 3–6, [11–9]. In the second they beat Andreja Klepač/Tatiana Poutchek 7–6, 6–7, [12–10]. In the third or semi-final match they beat Sofia Arvidsson/Casey Dellacqua 6–3, 6–3. They won their final match and the title by defeating Alizé Cornet/Pauline Parmentier 7–5, 6–3. Cîrstea won her fourth WTA doubles title, while Brianti won her second. At the US Open, Cîrstea lost in the first round to Yanina Wickmayer of Belgium. She paired with Ayumi Morita of Japan in doubles. They defeated Casey Dellacqua and Rennae Stubbs in the first round, but lost in the second to María José Martínez Sánchez and Anabel Medina Garrigues.
In Uzkebistan, she defeated Bojana Jovanovski and Aleksandra Krunić, but lost in the third round to Alla Kudryavtseva. Cîrstea played doubles too with Pauline Parmentier, but they lost in the first round to Iryna Brémond/Mandy Minella 6–2, 2–6, [10–8]. Cîrstea won the title in the Open GDF Suez de Bretagne in Saint-Malo, France. She defeated Estrella Cabeza Candela, Eva Fernández Brugués, Laura Pous Tió and Stefanie Vögele, before beating Silvia Soler Espinosa in straight sets. In the Generali Ladies Linz, Asustria, Cîrstea played in the qualifying draw with great victories. In round of 32 or first round, Sorana beat Nikola Hofmanova 6–7, 6–0, 6–0. In round of 16 or second round, she beat Silvia Soler Espinosa 2–6, 6–1, 7–5. In quarters or third round, Sorana defeated Anastasia Rodionova 6–1, 6–2 to play in the main singles draw. In the first round, Sorana beat Tamira Paszek 7–5, 6–3. She defeated Anastasia Pavlyuchenkova the 4th seed of the tournament 4–6, 6–0, 6–4 in second round. But lost in third round to Lucie Šafářová 5–7, 2–6. In France, Cîrstea won the Open GDF Suez Region Limousin, a $50,000+ Limoges ITF tournament featuring top 100 players. She defeated Paula Ormaechea, Stefanie Vögele, Michaëlla Krajicek, Akgul Amanmuradova, and Sofia Arvidsson.
At the end of the year, she was in 60th place in the WTA rankings.
Cîrstea began 2012 ranked 60 in the world.Her first tournament was in Auckland, New Zealand the ASB Classic. Sorana lost in first round to Flavia Pennetta. In doubles she partnered with Darija Jurak of Croatia; they lost a first-round match to Kristina Barrois/Anna-Lena Grönefeld. At the Moorilla Hobart International Australia, Cîrstea defeated Ksenia Pervak of Kazakhstan in first round . In second round Cîrstea beat Bethanie Mattek-Sands of the United States of America. In third round Cîrstea lost to Angelique Kerber despite having two match points. In doubles, she paired again with Darija Jurak of Croatia. They beat Kristina Barrois/Jasmin Wöhr in straight sets. Cîrstea/Jurak lost in second round to Irina-Camelia Begu/Monica Niculescu. At the 2012 Australian Open, Cîrstea eliminated 6th seed Sam Stosur in the first round. In second round she beat Urszula Radwańska. She lost in third round to Sara Errani in a match harmed by an early back injury. In doubles Sorana played with Lucie Šafářová again, but they lost to 9th seeds Natalie Grandin/Vladimíra Uhlířová. At the 2012 PTT Pattaya Open, Cîrstea was seeded 7th. She defeated Erika Sema in the first round and then Misaki Doi in the second by the same scoreline. In the quarterfinals, she defeated top seeded and world number 8 Vera Zvonareva when Zvonareva was forced to retire with a hip injury in the third set. She lost in the semifinals to Maria Kirilenko. In Doha, Cîrstea beat Jarmila Gajdošová in the first round 6–4, 6–1. In the second round she lost 4–6, 6–7 to Samantha Stosur the 3rd seed.Sorana paired with Anne Keothavong in doubles, but they lost in first round to Anabel Medina Garrigues and Anastasia Pavlyuchenkova . At the Whirlpool Abierto de Monterrey, Cîrstea was the third seed in the tournament and received a wildcard in singles. In the first round she defeated Stefanie Vögele in three sets. Sorana lost in second round to eventual champion Tímea Babos. Cîrstea was the 48th seed at the BNP Paribas Open. She defeated Iveta Benešová in the first round, losing in the second to Agnieszka Radwańska. In Miami, she lost a first-round match to wildcard Heather Watson in three sets.
In Spain, at the Barcelona Ladies Open her first tournament in clay, Sorana was the 47th seed. In the first round she beat Polona Hercog after she retired due to dizziness. Sorana defeated Lourdes Domínguez Lino in the second round. In quarter- finals, Cîrstea beat Olga Govortsova. She lost in her first semi-final of the tournament to Dominika Cibulková. In Stuttgart at the Porsche Tennis Grand Prix in Germany, Cîrstea lost in the first round to Anna Chakvetadze 1–6, 0–6. In Estoril, Portugal at the Estoril Open, in the first round she lost 4–6, 4–6 to Silvia Soler Espinosa. At the Mutua Madrid Open in Madrid, Sorana upset seventh seed Marion Bartoli(FRA) in the first round 6–7(6), 6–4, 6–3. She lost in the second round to Anabel Medina Garrigues 6–1, 3–6, 7–5. In Rome at the Internazionali BNL d'Italia Cîrstea defeated Jelena Janković in the first round 6–3,4–6, 7–6(4). Sorana beat Sofia Arvidsson in the second round 6–3, 6–1. She lost in the third round to 4th seed Petra Kvitová 6–2, 5–7, 6–2. At the 2012 French Open in Roland Garros, Sorana lost in the first round to Li Na the defending champion 2–6, 1–6. In doubles, she partnered with Ayumi Morita and they lost in first round to Flavia Pennetta / Francesca Schiavone 2–6, 0–2 because of retirement. Morita had health problems.
In Birmingham, Great Britain at the Aegon Classic, her first tournament in grass, Cîrstea as the No. 10 seed lost in the first round to qualifier Melanie Oudin. In doubles Sorana partnered with Anne Keothavong and they lost in first round to Shuai Zhang / Zheng Jie. In Eastbourne, Great Britain at the Aegon International, Sorana lost in the first round to defending champion No. 4 seed Marion Bartoli. At the 2012 Wimbledon Championships, Cîrstea defeated Pauline Parmentier in the first round. Sorana beat the 11th seed Li Na in the second round but lost to Maria Kirilenko in the third round. In doubles, Sorana and Ayumi Morita lost in first round to Casey Dellacqua/Samantha Stosur.
At the Bank of the West Classic, Sorana as the 9th seed in the tournament beat Vania King in the first round and lucky loser Zheng Saisai in the second. In the third round she defeated 3rd seed Dominika Cibulková in three sets. Cîrstea lost in the semi-finals to Serena Williams in straight sets. At the US Open, Cîrstea defeated 16th seed Sabine Lisicki in the first round. In the second round, she lost to Georgian Anna Tatishvili in three sets. In the 2012 Guangzhou Open Cîrstea advanced to the semi-finals before losing to Laura Robson.
Sorana began the year at the 2013 ASB Classic where she lost her opener to Heather Watson. The following week, she defeated Nina Bratchikova before losing to Lauren Davis in the second round at Hobart. Cîrstea reached the third round of the first slam of the year at the Australian Open losing to Li Na. She then followed it up with a semifinal showing at the PTT Pattaya Open losing to eventual champion Maria Kirilenko. She then reached the third round at Indian Wells where she lost to Agnieszka Radwańska. At the 2013 Sony Open Tennis in Miami, Cîrstea made the 4th round after defeating Angelique Kerber in straight sets. She fell to Jelena Janković (6–0, 6–4) in the next round. At the French Open, she reached the third round losing to world no. 1 and eventual champion Serena Williams. She then reached the quarterfinal of the Aegon Classic falling to Donna Vekić. Cîrstea lost to Camila Giorgi in the second round at Wimbledon.
She began the US Open Series with a semifinal at the Bank of the West Classic losing to Dominika Cibulková and a quarterfinal at the Citi Open losing to Alizé Cornet. In the Rogers Cup en route to reaching her first final in five years, Cîrstea beat two former number one players, Caroline Wozniacki, (5–7 7–6(0) 6–4) and Jelena Janković, (6–3,6–4) and former grand slam champions, Petra Kvitová, (4–6 7–5 6–2), and Li Na, (6–1,7–6(4)). She lost to top seeded Serena Williams in the final, 2–6 0–6. She then withdrew from the 2013 Western & Southern Open citing a back injury, and later retired from her first round match at the 2013 New Haven Open at Yale while trailing 3–0 against Anastasia Pavlyuchenkova. She had reached now the 21st place in the WTA rankings.
At the US Open, she defeated qualifier Sharon Fichman 5–7 7–6 1–6 before then being upset by Japanese qualifier Kurumi Nara 7–5 6-1 in the second round. Her next tournament was the 2013 Guangzhou International Women's Open where she suffered another early round loss, this time to Bojana Jovanovski 2–6 1–6. She advanced to the second round of the 2013 Toray Pan Pacific Open after beating Julia Görges 4-6 4-6. She then defeated Misaki Doi before losing to Svetlana Kuznetsova in the third round. She then lost her opening matches at Beijing and Linz to Bojana Jovanovski and Patricia Mayr-Achleitner.
By the end of the year, she had lost her No.1 Romanian position to rising star Simona Halep.
Being ranked 22nd in the WTA Rankings, Cîrstea began 2014 by losing her openers at Auckland to qualifier Sharon Fichman 6-1, 6-4 and at the 2014 Apia International Sydney to qualifier and eventual champion Tsvetana Pironkova 6-4, 6-1. At the Australian Open, Cîrstea was the 21st seed, but she was defeated in the 1st round by Marina Erakovic 6-4, 7-6(6). Cîrstea then reached her first quarterfinal of the year at the 2014 PTT Pattaya Open where she was seeded 3rd. She beat Anna Karolína Schmiedlová 6-1, 6-3 and Alison Riske 6-3, 6-4 before losing to eventual finalist Karolína Plíšková 1-6, 7-6(3), 6-0.
At the 2014 Qatar Total Open, she defeated qualifier Alla Kudryavtseva in the first round 2-6, 6-1, 7-5. Then, she faced 2nd seed Agnieszka Radwańska in the 2nd round and lost 7-5, 6-0. The following week at the 2014 Dubai Tennis Championships, she defeated Italian Roberta Vinci in the 1st round 6-4, 6-3 and 4th seed Italian Sara Errani in the 2nd round 6-2, 5-7, 6-1 for a place in her second quarterfinal of the year. She subsequently lost to 8th seed Caroline Wozniacki in the quarterfinal 6-1, 6-2. Cîrstea was the 25th seed at both the 2014 BNP Paribas Open and the 2014 Sony Open Tennis. She lost in the 2nd round at both tournaments to qualifier Camila Giorgi 7-6(3), 6-3 and Tsvetana Pironkova 6-3, 6-3. Cîrstea had received first round byes from both tournaments. Cîrstea was the 8th seed at the 2014 Family Circle Cup, but she lost in the 2nd round to Teliana Pereira 3-6, 6-3, 7-6(0). Cîrstea had a first round bye here as well.
Despite the poor form in WTA tournaments, in April, Cîrstea made a big contribution in 2014 Fed Cup World Group II Play-offs, helping Romania promote to World Group II after defeating Serbia 4–1, with Cîrstea winning both her ties against Ana Ivanovic 3-6, 6-1, 6-2 and Bojana Jovanovski 6-3, 6-7(7), 6-3.
At the 2014 Porsche Tennis Grand Prix, Cîrstea lost in the 1st round to German wildcard Julia Görges 6-1, 7-5. She took 5th seed Petra Kvitová to three sets in their opener at the 2014 Mutua Madrid Open but still lost 6-1, 5-7, 7-6(4). Then, Cîrstea succumbed to American qualifier Christina McHale in the first round at the 2014 Internazionali BNL d'Italia 6-3, 4-6, 6-1. Cîrstea managed to end her losing streak at the 2014 French Open where she was the 26th seed. In the 1st round, she beat qualifier Aleksandra Wozniak 6-7(3), 7-5, 6-2. In the 2nd round, she beat Teliana Pereira 6-2, 7-5. Then, Cîrstea lost in the 3rd round to 6th seed Jelena Janković 6-1, 6-2.
At the 2014 Wimbledon Championships, Cîrstea was the 29th seed. In the 1st round, she lost to young American qualifier Victoria Duval 6-4, 3-6, 6-1. Cîrstea was the top seed at 2014 Baku Cup and defeated Tunisian wildcard Ons Jabeur in the first round 6-3, 6-3 but lost to eventual semifinalist Stefanie Vögele in the 2nd round 6-1, 6-1. Cîrstea was the 8th seed at the 2014 Citi Open. She defeated Kiki Bertens in the 1st round 6-4, 4-6, 6-3 but then lost to Bojana Jovanovski in the 2nd round 4-6, 7-5, 6-3. At the 2014 Rogers Cup, Cîrstea fell to 15th seed Lucie Šafářová in the 1st round 6-4, 6-2 failing to defend her finalist points from the year before. At the 2014 Western & Southern Open, Cîrstea lost in the 1st round to 9th seed and eventual finalist Ana Ivanovic 6-1, 7-5. After Cincinnati, Cîrstea got a wildcard for qualifying at the 2014 Connecticut Open. In the 1st round of qualifying, Cîrstea beat Alison Van Uytvanck 6-3, 6-2. In the 2nd round of qualifying, Cîrstea lost to 7th seed Kaia Kanepi 6-1, 6-7(1), 6-4.
At the US Open, Cîrstea easily beat Heather Watson in the 1st round 6-1, 6-1. In the 2nd round, Cîrstea lost to 7th seed Eugenie Bouchard 6-2, 6-7(4), 6-4. At the 2014 Guangzhou International Women's Open, she lost in the 1st round to qualifier Petra Martić 7-6(3), 6-1. At the 2014 Wuhan Open, Cîrstea lost in the 1st round of qualifying to 1st seed Zarina Diyas 7-6(1), 6-4. Cîrstea's final tournament of the year was the China Open where she fell in the 1st round of qualifying to 9th seed Ajla Tomljanović 6-4, 6-4.
At the end of the year, Cîrstea claimed that she had persistent small injuries particularly afflicting her shoulder.
Cîrstea ended 2014 ranked 93. This is her 7th straight Top 100 season.
Sorana played in the 1st round of 2015 Australian Open only to lose 5–7 0–6 to Alexandra Panova. As a result, she lost the top 100 ranking for the first time since 2008. Next, Sorana played an ITF tournament in Midland. She lost in the 1st round to young American Jessica Pegula 6-3, 6-3. Next, Sorana played at the Miami Masters in Miami, Florida. Again, she lost in the first round, this time to Christina Mchale 7-5, 6-4. Due to her early loss, Sorana decided to stay in Florida and play an ITF tournament in Osprey on clay. She lost in the first round to Danka Kovinic in straight sets 6-1, 7-5. Sorana then played at the Claro Colsanitas in Bogotá, Colombia. There, she lost in the 1st round to American Irina Falconi 6-4, 6-1. However, partnering with Yaroslava Shvedova, she won her 1st match of the year by beating Mandy Minella/ Olga Savchuk in the first round 7-5, 6-2. Then, they lost to the eventual champions P Goncalves/ B Haddad Maia of Brazil in the quarterfinal 6-3, 7-5. Next, Sorana played an ITF tournament in Saint- Gaudens, France which is another clay tournament. She fell in the first round to Yafan Wang of China in 3 sets 7-6(1), 4-6, 6-2. With the French Open starting on Sunday, 24 May, Sorana traveled to Paris to play qualifying. In Qualifying 1st round, Sorana won her first singles match of the year by beating Junri Namigata of Japan 6-3, 6-0. Next, Sorana played Mariana Duque Marino in qualifying round 2. Sorana beat Mariana Duque-Marino in 3 sets 7-5, 2-6, 6-3. Sorana faced Verónica Cepede Royg for a place in the main draw, but lost the match in straight sets 6-1, 6-3, breaking a streak of main draw appearances dating back to the 2008 Australian Open.
Cîrstea began the year as world no. 244. In January she played at $25,000 ITF tournaments in Guaruja and Bertioga. In Guaruja she beat Oleksandra Korashvili, Rebecca Šramková, Jil Teichmann, and third seed Beatriz Haddad Maia before losing to Montserrat Gonzalez in three sets in the final. At Bertioga, she beat Sandra Zaniewska, Victoria Bosio, Jil Teichmann and Rebecca Šramková before beating Catalina Pella in the final. It was the first tournament win after a period of almost 4 years.
In February, she returned to the WTA Tour, by playing in Rio de Janeiro after receiving a wildcard, and here she reached the semifinals, with straight victories against Brazilian wildcard Beatriz Haddad Maia (score 6–1, 6–2), seed no.5 Polona Hercog (7–5, 7–6) and seed no.3 Danka Kovinić (6–1, 6–2), before losing to Shelby Rogers in two tight sets. These performances made her climb up more than 90 places in the rankings. Also in February she played at a $25,000 ITF tournament at São Paulo. She defeated Yvonne Cavalle-Reimers, Martina Caregaro and Jil Teichmann en route to the semifinals where she lost to Sara Sorribes Tormo.
In March she attended the tournament in Miami, receiving a wildcard in the qualifying tournament, beating Kurumi Nara before losing to Francesca Schiavone. Also in March, Sorana attended the ITF $50,000 tournament at Croissy-Beaubourg. She defeated Elitsa Kostova, Josephine Boualem, and Andreea Mitu en route to the semifinals, where shee lost to 2nd seed Pauline Parmentier.
Cîrstea kicked off her clay season in Istanbul and Prague, playing the qualifying round in both tournaments. In Istanbul she beat defending champion Lesia Tsurenko before losing to eventual champion Çağla Büyükakçay. In Prague, she lost in the first round in three sets against Samantha Stosur .
In Madrid-after receiving a wildcard-she reached the quarterfinals, beating Jelena Jankovic, Danka Kovinić and Laura Siegemund en route. In the last match she faced Dominika Cibulková and lost in three sets. Her next tournament was the French Open where she entered the main draw as a qualifer and lost in the first round to Elina Svitolina.
She started her grass season at the Mallorca Open, where she once again entered the main draw through the qualifying round, and defeated fifth seed Yulia Putintseva and Daniela Hantuchová before losing to Jankovic. After failing to qualify to the Eastbourne International, Cîrstea lost in the first round of Wimbledon to Petra Kvitová.
Cirstea started her 2017 season at the Shenzhen Open. She defeated Kristina Kucova in the first round before losing to Agnieszka Radwanska in the second round. Cirstea made it to the 4th round of the Australian Open for the first time in her career defeating Irina Khromacheva, 10th seed Carla Suárez Navarro and Alison Riske in the first three rounds. She lost to seventh seed Garbiñe Muguruza in the fourth round. Cirstea's next tournament was the Taiwan Open where she was forced to retire mid match while trailing to Risa Ozaki in the first round. She was part of the Romanian team at the Fed Cup against Belgium for the World Group II 1st Round match up. She lost the 2nd rubber against Yanina Wickmayer in a close three setter which went on for 3 hours & 22 minutes. For the doubles, she teamed up with Monica Niculescu to give Romania their only win at the meet up against Belgium.
After making first round exits at the Hungarian Ladies Open and Indian Wells, she won her first singles match in nearly two months after defeating Monica Puig in the first round of the Miami Open. Cirstea would later fall to Caroline Wozniacki in the third round. She made the quarterfinals of the Mutua Madrid Open where she lost to Kristina Mladenovic. She made the semifinals of Nuremberg Cup after overcoming Yulia Putintseva's antics in the quarterfinals.
Cirstea made it to the third round of Wimbledon before bowing out to Garbiñe Muguruza. In 2011, MSN recognized Cîrstea as one of the most beautiful women in sports. "Bleacher Report" also recognized her as one of the "25 Tennis Players You Have to Follow" on Twitter.