
The US Open receives strong criticism following its decision to hold its mixed doubles competition as a standalone event before the start of the Slam.

US tennis chiefs announced a radical overhaul of the US Open's mixed doubles on Tuesday, unveiling plans to stage the competition as a standalone event in the week before the main men's and women's singles draws get under way.US Open organizers had already announced another change to the tournament recently, with the main draw for the fortnight now starting on a Sunday.

The U.S. Open is making a big bet on the potential of mixed doubles, changing the format in ways that will draw curiosity and controversy.