Bethanie Mattek (born 23 March 1985, in Rochester, Minnesota) is an American professional tennis player who competes on the WTA Tour. She lives in Miami, Florida but trains in Phoenix, Arizona.
She has won five singles and three doubles titles on the ITF Circuit, and her best results on the WTA Tour to date are reaching the semifinals of Cincinnati in 2005 and Birmingham in 2008. In doubles she has won four WTA Tour titles.
She has reached a career-high singles ranking of No.55 on July 7, 2008 and career-high of No.24 in doubles.
At the Grand Slams she has reached the 2nd round at the French Open in 2008, extending World No.1 Maria Sharapova to three sets, she has also reached the 2nd round at the US Open in 2007. But her best result has come at this years Wimbledon where she has so far reached the fourth round, claiming first Top 10 win over Marion Bartoli. She reached the last sixteen, losing in style 3-6, 3-6 to Serena Williams.
She also plays for the New York Sportimes of World Team Tennis