Two-time defending champ Sabalenka, Sinner lead US Open fields

Two-time defending champion Aryna Sabalenka and Wimbledon winner Jannik Sinner headline the men's and women's fields for the upcoming US Open, which begins in August. Sinner recently defended his Wimbledon title by defeating Alexander Zverev, while Sabalenka enters as the player to beat at Flushing Meadows. The announcement positions both players as top contenders heading into the final Grand Slam of the season.