Roger Federer may have won his US Open first round encounter against tournament debutant Sumit Nagal, but he certainly had to work for it. Despite a strong
4-6, 6-1, 6-2, 6-4 win for Federer, one of the biggest takeaways from this game is a unique record
Nagal has registered against his name.
Imagine his feeling! Winning a set against Federer!
Sumit Nagal first Indian to take a set off Federer