Kimiko Date-Krumm (クルム伊達 公子, Kurumu Date Kimiko?, born 28 September 1970) is a Japanese professional tennis player. In her career, she has won over 200 tournament matches. She has won the Japan Open four times. In 1994, she was ranked in the top-ten women players in the world. In 1992, the WTA awarded her the "Most Improved Player of the Year". After playing in her second Olympic Games, she announced her retirement on 24 September 1996. Yet, she came back on court nearly 12 years later, announcing an unexpected comeback in April 2008. Since the comeback, she has won several ITF titles, and then won her eighth WTA Tour title at the 2009 Hansol Korea Open in Seoul, thus becoming the second-oldest player in the Open era, after Billie Jean King, to win a singles title on the WTA Tour.