Switzerland's Roger Federer celebrates his win over Slovenia's Aljaz Bedene at the Australian Open yesterday. Pic/Getty Images

Roger Federer began the defence of his Australian Open title with a routine victory over Aljaz Bedene on Rod Laver Arena. Having arrived in Melbourne 12 months ago not knowing what to expect from himself following a six-month break to recuperate his knee, this time around Federer is confident in both mind and body.