“Sinner and Alcaraz,” said Marcos Giron, an American who has been ranked 37th and faced both, "are bringing a ridiculous level, week in and week out."

Darren Cahill has played down concerns about Jannik Sinner's health after he was forced to retire from the Cincinnati Open final, saying the world number one is recovering and they are confident he w...

The reimagined mixed doubles competition, a two-day event featuring 16 teams, began on Tuesday but the official draw and order of play no longer featured the Sinner-Siniakova entry.

The much-hyped pairing of Carlos Alcaraz and Emma Raducanu was bounced in the first round of the new U.S. Open mixed doubles event on Tuesday.

The new US Open mixed doubles tournament -- featuring shorter matches and a smaller field -- got underway Tuesday, with four teams halfway to a trophy -- and a $1 million prize.

Sinner withdrew from the mixed doubles after retiring during Monday's Cincinnati Open final against Carlos Alcaraz because of illness.