Kei Nishikori facing fight to be fit for US Open after testing positive for COVID-19

Kei Nishikori has tested positive for COVID-19 just two weeks before the US Open is due to start in New York. The Japanese tennis star, who is a former world no.4, has pulled out of the upcoming Western & Southern Open ahead of the August 31 start date at Flushing Meadows. In a statement on […]