Fans think they know why Emma Raducanu did not embrace Jack Draper after the pair played in the first round of the new US Open mixed doubles event.

While Jack Draper and Jessica Pegula may have said all of four words to each other before teaming up for this week’s U.S. Open mixed doubles tournament, the two already sound like an “old married couple.

The much-talked-about pairing of Emma Raducanu and Carlos Alcaraz fell to an early exit in the US Open’s mixed doubles competition on Tuesday, losing their first-round match and failing to win a set.

Jack Draper was told off by his US Open mixed doubles partner Jessica Pegula after a comment in a press conference.The British world No. 5 and American world No. 4 are through to the semi-final of the revamped competition.

The tennis superstars had a blast playing mixed doubles together at the US Open. Raducanu's reply to Alcaraz's Instagram post will have fans speculating.

The tennis world has gone into a frenzy after Carlos Alcaraz and Emma Raducanu teamed up at the US Open, as rumors continue to swirl that they may be the sport’s newest power couple.

British No. 1s Jack Draper and Emma Raducanu will take to the court at the US Open on Tuesday as the revamped mixed doubles tournament begins. But they’ll be on opposite sides of the net, as Draper has joined forces with world No. 4 Jessica Pegula, while Raducanu has formed a blockbuster partnership with five-time Major winner Carlos Alcaraz.

Emma Raducanu and Carlos Alcaraz are set to take part in the US Open's mixed doubles event, and the pair will face Jessica Pegula and Jack Draper in their opening match