![File photo dated 12-11-2019 of Novak Djokovic. PA Photo. Issue date: Friday June 5, 2020. Novak Djokovic completed the career Grand Slam on this day four years ago as he got his hands on the French Open title after coming from a set down to beat Andy Murray in the final. See PA story TENNIS On This Day Djokovic. Photo credit should read Tess Derry/PA Wire.](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/QW65KK7ZTGH4XZBY4JI3RHPL2Y.jpg?smart=true&auth=e1ff6bc06d6fc4d6eee515ab8bb8228acd002bca99a8c8c0c1565769314378cd&width=400&height=225)
Novak Djokovic is doubtful the US Open can go ahead in the current climate. PA Wire
Novak Djokovic is doubtful the US Open can go ahead in the current climate. PA Wire
Novak Djokovic believes staging US Open is 'impossible' under outlined coronavirus measures
The US Open will be the first Grand Slam to be played after the Covid-19 pandemic suspended the tennis season in March