Roger Federer in quest of a grand slam to match Pete Sampras record Of 14 grand slam had to dig deep in 4th round match against Tomas Berdych at Australian Open here on Sunday.
After loosing first two sets,when everyone was thinking it will be an early exit for Federer this time for Federer in Aussie open but Federer astonished everyone by winning last three sets comfortably ,thus booking a place in the quarter finals.
It is getting hot and still no major upset has taken place on mens side and top 4 seeded players keeping hopes alive for the title and it can be of any one this time round.
