US Open Tennis Prize Money 2015 | Us open, Tennis, Emirates airline
ATP: career prize money earnings of tennis players 2019 | Statista
ZooTennis: How the Accelerating Prize Money Gap Jeopardizes Men's Professional Tennis; Johns Hopkins Men and Williams Women Top Division III Recruiting Class Rankings
Serena won most prize money in WTA history with staggering £72m banked – more than DOUBLE sister Venus