Roger Federer registers straight-set win over unseeded German Mikhail Zverev to secure semi-final berth in Australian Open

Four-time champion Roger Federer sailed into the Australian Open semi-finals by clinching a straight-set win over unseeded German Mischa Zverev on Tuesday.

The 35-year-old Swiss tennis maestro reached the semis for the Australian Open for the 13th time with a 6-1 7-5 6-2 win over Zverev, who upset world number one Andy Murray on Sunday.

 

Lucky 13 earns the #AusOpen a special place in @rogerfederer's personal record book https://t.co/gOgU268ApL

— #AusOpen (@AustralianOpen) January 24, 2017

Federer aiming to win his 18th Grand Slam title faces compatriot Stan Wawrinka in the last four. Fourth seed Wawrinka had beaten Jo-Wilfried Tsonga 7-6 (7-2) 6-4 6-2 in their quarterfinal encounter.

Stan Wawrinka won his first Grand Slam title at the Australian Open in 2014.