Roger Federer hopeful leg injury will not hinder Australian Open title hopes

Federer is through to his 28th grand slam final, where he is bidding to claim a fifth Australian Open crown.

Roger Federer insists his bid to win an 18th grand slam title in Sunday's Australian Open final will not be hampered by injury.

Federer held off a thrilling fightback from Stan Wawrinka to win their semi-final 7-5 6-3 1-6 4-6 6-3 on Rod Laver Arena but had to call a medical time-out at the end of the fourth set.