Not only have the competition’s dates and qualification criteria been changed, but the scoring system has also been changed, with the games much shorter than usual. In the US Open’s mixed doubles format, a set lasts up to just four games, and a tiebreak is held at 4-4. There is no ad scoring, and if the score is deuce (40-40), the pair to win the next points secures the game. If the match is tied at one set apiece, then a 10-point tiebreak decides the game rather than a full-fledged third set.
