Swiss tennis star Roger Federer is through to the US Open second round following his straightforward win over Yoshihito Nishioka of Japan in their first round clash on Wednesday.

The 37-year-old defeated the world number 177 player 6-2 6-2 6-4 on the Arthur Ashe Stadium court in one hour and 52 minutes

The five-time champion will play Frenchman Benoit Paire in the second round at Flushing Meadows.

On his first round win in New York, the 20-time Grand Slam title winner said: “I’m very happy with how I played tonight. It is particularly tough for us Europeans because we don’t get this type of humidity. You are sweating so much you don’t know what has hit you.”

“It is tough so you are happy when you survive a day like this.” The tennis legend added.