US Open 2026 tennis preview

Record $108M prize pool. Sinner withdraws with knee injury; Alcaraz top seed. Djokovic chases 25th major. Serena Williams (45) and Alcaraz to team in mixed doubles. Cincinnati Open: Gauff beats Pegula in women's final; Fils beats Tiafoe in men's final. Pegula and Gauff both in strong form heading into US Open.