Roger Federer is back on track to win his fourth Australian Open title.
TOP seed Roger Federer recovered from his major scare in the previous round to cruise into the quarter-finals of the Australian Open with a straight sets victory over Tomas Berdych.
The 12-time Grand Slam champion overcame the Czech 13th seed, 6-4, 7-6 (9/7), 6-3 in one hour 59 minutes and will play American 12th seed James Blake in the last eight.
