The decision to change the schedule has irked some players, as they would have to play gruelling Grand Slam events on different surfaces with no break in between.
Meanwhile, organisers of the US Open have said they are open to the "possibility of moving the tournament to a later date".
However, the decision would be taken only after consulting with their partners, the other Grand Slam tournaments, as well as the WTA and the ATP.
McLaren's Lando Norris shrugged off boos from the Mexican crowd on Sunday after the Briton seized back the Formula One championship lead from teammate Oscar Piastri at the Mexico City Grand Prix with a dominant win from pole position.
Goals from Kylian Mbappe and Jude Bellingham earned Real Madrid a 2-1 victory over Barcelona in a spiky El Clasico on Sunday that snapped a four-match losing streak against their rivals and extended their lead atop the LaLiga standings.
New Zealand overcame a blitz from centurion Harry Brook to beat England by four wickets on Sunday in the opening game of their three-match one-day international series, with Daryl Mitchell and Michael Bracewell scoring half-centuries.
Belinda Bencic breezed past Czech sixth seed Linda Noskova 6-2 6-3 to win the Pan Pacific Open title on Sunday, erasing bitter memories of her straight-sets defeat by Agnieszka Radwanska in the title clash of the same tournament 10 years ago.
Liverpool manager Arne Slot said opponents have identified a winning strategy against his Premier League champions and he needs to find a solution fast after a 3-2 defeat at Brentford on Saturday made it four league losses in a row.