The coronavirus has seen the postponement of the french open , the cancellation of wimbledon and the fate of the us open still remains uncertain. tennis legend Vijay Amritraj believes coordinating the travel of international players will be the biggest challenge for the united states tennis association and that travel restrictions globally could make it difficult to host the traditional final grand slam of the year. Amritraj paid tribute to the remarkable rivalry between roger federer, Rafael Nadal and Novak djokovic and also compared the three to the great champions he played against.