Tennis coach and analyst Darren Cahill has claimed that Rafael Nadal is the only player that could stop Novak Djokovic winning 2021 US Open.
The world number one won his 20th Grand Slam title at Wimbledon earlier this month, equalling Roger Federer and Nadal on the all-time Major list..
Djokovic is bidding to become the first man to win the Golden Calendar Grand Slam – having already won Australian Open, French Open and Wimbledon in 2021.
The Serbian has been successful three times in New York, while Nadal won his fourth US Open title in 2019 after defeating Daniil Medvedev in a thrilling final.
