NEW YORK, USA - AUGUST 27: Rafael Nadal of Spain competes against David Ferrer (not seen) of Spain during US Open 2018 tournament in Flushing, New York, United States on August 27, 2018. (Photo by Mohammed Elshamy/Anadolu Agency/Getty Images)
NEW YORK, USA - AUGUST 27: Rafael Nadal of Spain competes against David Ferrer (not seen) of Spain during US Open 2018 tournament in Flushing, New York, United States on August 27, 2018. (Photo by Mohammed Elshamy/Anadolu Agency/Getty Images)