Serbia's Novak Djokovic taps the clay off his shoes in the third round match of the French Open tennis tournament against Colombia's Daniel Elahi Galan at the Roland Garros stadium in Paris, France, Saturday, Oct. 3, 2020. (AP Photo/Alessandra Tarantino)

Colombia's Daniel Elahi Galan slips on the wet court in his match against Serbia's Novak Djokovic before play was suspended to close the roof of center court Philippe Chatrier in the third round match of the French Open tennis tournament at the Roland Garros stadium in Paris, France, Saturday, Oct. 3, 2020. (AP Photo/Alessandra Tarantino)

FILE - Light rain falls over center court as Serbia's Novak Djokovic, left, serves against Colombia's Daniel Elahi Galan in a third round match of the French Open tennis tournament at Roland Garros stadium in Paris, France, in this Saturday, Oct. 3, 2020, file photo. There will be night sessions at the French Open’s main stadium for the first time this year. The tournament begins Sunday, May 30, 2021, in Paris. (AP Photo/Alessandra Tarantino, File)