Nadal: I'm ready to start year from zero

DOHA: Rafael Nadal has begun the new year feeling no pressure after a sensational 2008 season.

"I don't feel like I have to defend anything and I start this year from zero again. I'm 22 years old and have won five grand slams, 12 Master Series titles, an Olympic gold medal and I'm world No 1 - that keeps me calm," Nadal told Reuters in an interview ahead of next week's Australian Open.