索拉娜·科斯蒂亚
職業生涯 > 2009年: First Grand Slam quarterfinals at Roland Garros

Cîrstea began the year ranked 36th, losing to 迪娜拉·薩芬娜 at the Medibank International in Sydney in straight sets. In the doubles tournament, she partnered with 菲娜·杜舒芬娜 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 辛克·美蓮達, but reached the second round of the doubles tournament with partner 莫妮卡·尼古列斯庫, 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 迪拜网球锦标赛, to 纳塔莉·德希 and 多米尼卡·齐布尔科娃 respectively. In doubles, she again partnered with 莫妮卡·尼古列斯庫 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 阿林娜·罗季奥诺娃 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 葉連娜·韋斯寧娜. In the doubles tournament, she partnered with 卡麗娜·沃斯科波娃 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 卡露蓮·禾絲妮雅琪 also ended in the first round with a loss to Kuznetsova/Mauresmo.
Cîrstea's clay season began at the inaugural Andalucia Tennis Experience in 马贝拉, Spain. She reached the semifinals, defeating Ioana Olaru (in straight sets), Andreja Klepač  and 卡娅·卡内皮 (both in three sets) before losing to 卡拉·蘇亞雷斯·納瓦羅. 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 玛丽亚·基里连科. 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 伊達公子 and 玛蕾特·阿尼, before falling to eventual champion 雅尼娅·维克梅耶尔. 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 阿廖娜·邦达连科 2–6, 2–6, in the singles and partnering with 弗拉基米爾·尤里洛娃 in the doubles to lose to Makarova/Kudrayvtseva 6–2, 6–7, [3–10]. Cîrstea then had her breakthrough tournament at the 2009年法國網球公開賽. She began her campaign with wins over 卡莉·格利克森 and an upset of 21st seed 阿莉泽·科尔内. Having advanced to the third round of a Grand Slam for the first time, she defeated doubles partner 卡露蓮·禾絲妮雅琪, 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 耶萊娜·揚科維奇 to advance to her first Grand Slam quarterfinal, where she faced 30th seed 萨曼莎·斯托瑟, 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 莫妮卡·尼古列斯庫 in three sets but lost in second round to 雅尼娅·维克梅耶尔. She paired with 迪娜拉·薩芬娜 for the doubles tournament, defeating Groenefeld/Niculescu in the first round and losing to Errani/Pennetta in the second round. At the 2009年溫布頓網球錦標賽, Cîrstea was seeded 28th. She defeated Edina Gallovits and 萨尼娅·米尔扎 in the first two rounds, but lost 6–7, 3–6 to eighth seed 维多利亚·阿扎伦卡 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 姬絲拉·杜高 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 阿格涅什卡·拉德萬斯卡. Partnering in doubles with 玛丽亚·基里连科, 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 萨曼莎·斯托瑟. 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 梅根·蕭內西 and 安娜-莱娜·歌恩菲特 before losing to 4th seed 耶莲娜·德门蒂耶娃. After Cincinnati on 17 August, she achieved her career high ranking, No.23. At the 2009 US Open, Cîrstea was seeded 24th. She defeated 森田步美 in the 1st round and Stéphanie Dubois of Canada in the 2nd round before losing in the third round to eventual finalist 卡露蓮·禾絲妮雅琪, 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 韩国网球公开赛, 泛太平洋网球公开赛, China Open, Generali Ladies and 克里姆林杯.
She finished 2009 ranked 43rd in the world with a 21–24 match record.