Tennis legends Kim Clijsters, left, and Martina Hingis wear Dallas Cowboys’ jerseys after an exhibition match in the Dallas Open’s annual Women’s Tennis Classic, Saturday, Feb. 1, 2025, at ...

Martina Hingis, who won five Grand Slam titles and is one of only six female players to hold the No. 1 ranking in both singles and doubles at the same time, announced her retirement from tennis ...