Australian Open 2010 Rafael Nadal reaches fourth round

Defending champion Rafael Nadal reached the fourth round of the Australian Open 2010 on Friday - but was made to work hard for his victory
Nadal struggled with his first serve at times, especially in the third set, and found Kohlschreiber's heavy hitting hard to deal with throughout the match.

Nadal eventually won 6-4 6-2 2-6 7-5 in three hours and 39 minutes to set up a fourth round tie against Ivo Karlovic of Croatia.