The US Open is down to its final four — and the storylines are sizzling. Alvin and Torrey ask: can anyone slow down Alcaraz? Is Djokovic still the problem no one can solve? And is Felix finally ready to break through against Sinner? On the women’s side, Amanda Anisimova shocks Świątek, Pegula cruises into a heavyweight clash with Sabalenka, and the depth of the field has never looked stronger. Big shots, bigger questions — and a semifinal lineup you won’t want to miss.