Updated On: 25 January, 2017 09:02 AM IST | | AFP
<p>Roger Federer is just one step away from his first Grand Slam final in 18 months yesterday after he demolished giant-killer Mischa Zverev to set up an Australian Open semi-final with Stan Wawrinka</p>

Federer celebrates after defeating Zverev in Melbourne yesterday. Pic/AP, AFP
Melbourne: Roger Federer is just one step away from his first Grand Slam final in 18 months yesterday after he demolished giant-killer Mischa Zverev to set up an Australian Open semi-final with Stan Wawrinka.