(1 runner-up) 2007–2008: First WTA title and breakthrough Radwańska participated at the 2007 Australian Open, where she lost to Ana Ivanovic in the second round. At the Sony Ericsson Open, Radwańska defeated her longtime idol, Martina Hingis, in a three-set third-round match. She exited in the fourth round following a loss to Tathiana Garbin. In August 2007, Radwańska became the first Polish player to claim a WTA tour singles title, defeating Vera Dushevina in the final of the Nordic Light Open. She went on to defeat defending champion Maria Sharapova in the third round of the US Open, before losing to Israeli Shahar Pe'er in the fourth round. She reached the quarterfinals of the 2008 Australian Open, upsetting world No. 2 Svetlana Kuznetsova in the third round, then following it up with a defeat of 14th seeded Nadia Petrova before eventually falling to Daniela Hantuchová. At the Thailand Open, Radwańska won her second WTA singles title, beating Jill Craybas in the final. At the Qatar Ladies Open, Radwańska reached the semifinals, losing to eventual champion Maria Sharapova. On grass, Radwańska won the Eastbourne International, defeating Nadia Petrova in the final. At Wimbledon, she defeated Kuznetsova in the fourth round, then lost to Serena Williams in the quarterfinals. At the Olympics in Beijing, Radwańska lost a second-round match to Francesca Schiavone. She went on to reach the fourth round of the US Open, losing to Venus Williams. She later went to the Tour Championships as an alternate and replaced Ana Ivanovic after the latter withdrew. She defeated Svetlana Kuznetsova in straight sets. Radwańska ended the year as the first Polish woman to surpass in career prize money, as well as the first to be ranked world No. 10. 2009–2010: Top 10 Radwańska reached the quarterfinals of the Sydney International, losing in three sets to eventual champion Elena Dementieva. She was defeated in the first round of the Australian Open by Kateryna Bondarenko. She reached her first semifinal of the 2009 season in Tokyo, where she fell in three sets to eventual champion Maria Sharapova. She reached her first final of the year in China, losing in straight sets to Svetlana Kuznetsova. Radwańska and her doubles partner Maria Kirilenko reached the semifinals of the 2010 Australian Open, losing to the world No. 1 pairing of Cara Black and Liezel Huber in three sets. In Indian Wells, Radwańska won her fifth straight match