Rafael Nadal came from behind to pull off a momentous, record-setting win, going ahead of Roger Federer and Novak Djokovic's 20 grand slams.
Bidding to win his 21st grand slam, Rafael Nadal outclassed Marcos Giron in the Australian Open first round.
Reigning Australian Open champion Novak Djokovic has accepted Sunday's ruling that has barred him from defending his title.
Six-time US Open champion Serena Williams will not take part in this year's event at Flushing Meadows due to a hamstring injury.
Neither Rafael Nadal nor Roger Federer will be present at the US Open, as the Spaniard revealed he too needs time to recover from injury.
Roger Federer turned 40 on Sunday, with Novak Djokovic leading the ATP Tour's tribute to the 20-time grand slam champion.