Moving a Grand Slam event into its qualifying week takes the biggest tournaments in tennis into unexplored territory.

The U.S. Open mixed doubles competition will now be played before the singles main draw, the United States Tennis Association (USTA) said on Tuesday as it announced an overhaul of the category's format and an increase in prize money.

This year's U.S. Open mixed doubles tournament will feature 16 teams competing over two days in shorter matches. Here are all the details.

The USTA says the changes will showcase doubles to more people. The discipline's stars fear that they will not get to be part of the show.

Tennis legend Paul McNamee is not a fan of the U.S. Open’s “reimagined” format for mixed doubles. McNamee, who won four Grand Slam men’s doubles titles and was ranked No. 1 in the world in doubles, posted on social media: “Sets to 4 games in a Grand Slam?