ST. PETERSBURG, Fla.—Wimbledon champion Ash Barty finished No. 1 in the WTA singles rankings for the third consecutive season, while Katerina Siniakova topped the doubles rankings for the second time.
Barty, a 25-year-old from Australia, joins Serena Williams, Steffi Graf, Martina Navratilova, and Chris Evert as the only women to lead the year-end tennis rankings three straight times.