The U.S. Open overhauled its mixed doubles tournament in hopes of drawing the top singles players. The defending champions don’t intend to move out of the way so easily.

The winning duo will take home a $1 million prize, which is higher than most prize purses for mixed doubles major tournaments. The 16 teams will play over two days. The first round and quarterfinals take place on Tuesday inside the main show courts at the USTA National Tennis Center. The semifinals and championship match will be on Wednesday night.

The thought of the top men’s and women’s singles players teaming up is one that has often intrigued tennis fans around the world.

Draper and American Jessica Pegula went into the event -- played for the first time in the week before the main tournament -- as the top seeds and eased through to the last four on Tuesday, with a run which included beating Emma Raducanu and Carlos Alcaraz in the first round.

With the revamped US Open mixed doubles starting on Tuesday, BBC Sport looks at the positives and negatives of the controversial change.

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.

Grand Slam singles champions such as Jannik Sinner, Carlos Alcaraz, Iga Swiatek and Madison Keys will be playing for extra money — $1 million to the winning duo — and trying to get their hands on a trophy in the U.

Everyone has been talking about the revamped US Open mixed doubles but the other Grand Slams are unlikely to follow suit soon.