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.

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.

Jack Draper and Jessica Pegula beat Emma Raducanu and Carlos Alcaraz in the first round of the US Open's revamped mixed doubles event before the Brit landed himself in hot water

Pegula didn't like Draper using the word 'exhibition' while they were speaking about reaching the US Open mixed doubles semifinal.

Jack Draper received a telling-off from his US Open mixed doubles partner Jessica Pegula after he mistakenly branded the tournament an “exhibition”. Draper and Pegula are the No. 1 seeds in the draw for the revamped mixed event, which has a staggering £741k ($1million) prize up for grabs for the champions.

Watch highlights as Emma Raducanu and Carlos Alcaraz are beaten 4-2 4-2 by Jack Draper and Jessica Pegula in the revamped US Open mixed doubles.

Jessica Pegula recently corrected Jack Draper for making an erroneous comment about the US Open's mixed doubles event. The duo has reached the semifinals of the tournament.

Follow live coverage of the U.S. Open mixed doubles Jannik Sinner has withdrawn from the U.S. Open mixed doubles, which begins Aug. 19 in New York. The men’s world No. 1 in singles retired after five games of his Cincinnati Open final against Carlos Alcaraz due to illness,