7. Steffi Graf – Net Worth: $145 Million
Steffi Graf is another most decorated player in the world of tennis; she has 22 Grand Slam singles title. Regarded as one of the most elegant players of her time and the champion of women’s tennis in the late eighties and early nineties, Graf initiated new era in which females started paying more attention to tennis.

During her career, she won many prizes and could have earned millions making her one of the richest tennis players. It is estimated that through endorsements, her fortune has been built.
Graf, for instance, sponsored by Adidas, Opel and Longines off the tennis court proved her versatility. After retirement, she had devoted herself to charity and her family with her husband Andre Agassi; however, she remains the tennis icon.