Alcaraz tops the live rankings as Sinner's US Open defence will decide who is world No 1 now.
Petchey: surfaces are similar now; Sinner and Alcaraz have a real chance to pass Djokovic. over time
Alcaraz says he wants to end Sinner's hard-court run and readies for Opelka, in US Open opener now.
Alcaraz arrives at the US Open rested after Cincinnati win and aims at Sinner's hard-court run ready.
Zverev says he would be happy to meet Sinner in a semi and Alcaraz in the final at the US Open.
Raducanu arrives confident; Alcaraz must handle Opelka's big serve in a fraught first-round test...
Raducanu upbeat after new coaching; Alcaraz faces big-serving Opelka in a tricky US Open opener. Now
Raducanu praises Francisco Roig and urges other Slams to try the US Open mixed doubles format. in NY
Tiafoe names Carlos Alcaraz to win more majors than Jannik Sinner and says the game needs new faces.
Sinner says both he and Alcaraz must 'improve' as they defend dominance and face US Open tests. Also
