Roberta Vinci – $5.6 Million
An Italian ex pro-tennis player Roberta Vinci never won a major singles tournaments in the history of her career but she dominated doubles for three years at a stretch with the support of her play-partner Sara Eerrani. The Vinci & Eerrani combination won both French and US opens in 2012, Australian open in 2013, Australian Open and Wimbledon in 2014, Roberta ended her tennis career in 2018 and she has won money over $11 million throughout her career from 1999 to 2018. She is also the oldest player to be ranked in the top 10 list, which happened to her at the age of 33. She’s currently worth $5.6 million.