Nadal's Australian Open prep plans

"I am happy because I improve my tennis here in New York. It is the first year I play better here. My goal now is improve," Nadal said.

"My special goal is next year in Australia. So I want to improve. I have four months and I am going to try my best. I am going to try improve every day, work hard every day.

"If you have better service, it all changes," added the Spanish left-hander.

"I need to play more aggressive with the return. I am trying, but I need to improve that. I need to improve a little bit more my volley. I always improve, but I need to improve more." TheAge.com