Dhaka, Sept. 27 -- French Open organisers have had enough problems dealing with the Covid-19 pandemic, the dwindling number of fans on site and inclement weather but they faced another controversy on Friday - criticism of the choice of ball for this year's edition.

Roland Garros has switched to Wilson balls for the 2020 tournament after using Babolat for many years and 12-times champion Rafa Nadal was not impressed.

"You have to take care because with these conditions you can't practise that much because the ball is super heavy," the second-seeded Spaniard told reporters on Friday.

"Different brand than last year, a new ball. The ball is much slower than the previous years. If we add these conditions of cold and humidity, then it is su...