=6) Li Na – Net Worth: $40 Million

This Chinese professional tennis player joined the Chinese national team when she was 15. She turned pro in 1999. She has won 19 ITF tournaments and 7 WTA tournaments. She became the only Chinese player to ever win a Grand Slam Singles event when she won the French Open in 2011. Her net worth is $40 million.

5) Anna Kournikova – Net Worth: $50 Million

Anna Kournikova’s net worth is $50 million. This Russian-American retired professional tennis player’s total career prize money earnings stand at $3,584,662. Even though she did not win even a single WTA singles title, she was immensely popular during her playing days.