Kim can call herself unofficial world champion, twice even, as she won the Masters in both 2002 and 2003. In 2005 she beats the field of contenders at the US Open. She also reached four more Grand Slam finals and has won 34 singles titles in her career. In the doubles Kim is successful as well. In 2003 she wins both the French Open and Wimbledon along Ai Sugiyama. Together with the Japanese she reels in another 9 doubles titles.