American tennis player Serena Williams, who'll retire after US Open 2022, has won 73 singles and 23 doubles titles in her career. The 40-year-old, who had turned professional in 1995, has won a total career prize money of $94,588,910, as per Women's Tennis Association (WTA). Serena is a 23-time singles' Grand Slam champion. She has won 365 Grand Slam matches.