The Swiss knows his days are numbered on tour, but he plans to fight on in the hopes that his form will return.
"Always loved playing in US Open, so I want to continue love playing this year," world No. 1 Daniil Medvedev said.
The pure power of love changed Serena Williams' life and helped her change sport.
Stars are out on US Open opening day.
Rafa Nadal also reminds reporters that no one player is bigger than the sport.
Twenty-three years after the Williams sisters won their first US Open doubles crown, they'll join forces again.
"I want to be try to be open-minded to people and just tell the truth all the time," defending US Open champion says.