On grass, Radwańska won the International Women's Open in Eastbourne, 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.