Carlos Alcaraz and Jannik Sinner are among the stars due to play in the US Open mixed doubles - but they may be forced to ...

Carlos Alcaraz was involved in an altercation with the chair umpire during his fourth-round match at the Cincinnati Masters. He was up against Luca Nardi, whom he knocked out with a 6-1, 6-4 scoreline ...

Carlos Alcaraz engaged in a fiery confrontation with the umpire before defying direct instructions during his latest triumph ...