World number two Rafael Nadal believes that he played his best match of the US Open after advancing into the semi-finals on Wednesday.
The Spaniard thrashed compatriot Tommy Robredo with a 6-0 6-2 6-2 win at Flushing Meadows in the last eight.
Nadal feels that he is reaching top form and is delighted with his recent displays.
"I'm happy," Nadal told reporters. "I think I played my best match of the US Open.
"I'm playing a little bit better every day and it's a great year. I'm very happy to be in the semi-finals. I want to enjoy every moment."
Nadal will face Richard Gasquet in the last four.
