Djokovic says still undecided over US Open

Novak Djokovic, who recently tested negative for coronavirus after testing positive during his Balkans charity event, told a Serbian newspaper on Wednesday that he still was not sure if he would play the US Open. "I still do not know if I will play the US Open," the tennis world number one said in an interview with the Sportski Zurnal daily paper. "I will certainly not play Washington or Cincinnati as planned." The ATP and WTA tours are set to resume next month, even though several professional players have contracted COVID-19. The US Open will be the first Grand Slam following the restart, due to get underway behind closed doors in New York on August 31. Djokovic resumed training on Tuesday and said he would take part on clay events. "Participation at Roland Garros is certain for now, Madrid and Rome are part of my agenda," he said. The Serbian  said he thought the ATP's revised ranking system, due to be introduced in August, was "correct". Djokovic said on July 2 that he and his wife Jelena had both tested negative for coronavirus after testing positive during the Adria Tour in late June. The couple had been self isolating since returning to Belgrade from Croatia, where the...