Novak Djokovic comes through tough encounter with Taylor Fritz in Melbourne

Novak Djokovic is a step closer to another major. Pic: Asanka Brendon Ratnayake/AP

Novak Djokovic fought off a strong challenge from Taylor Fritz to reach the Australian Open semi-finals for the 11th time.

The world number one has never lost in Melbourne once he has made it beyond the last eight, and there is no doubt how much he wants a 25th grand-slam title.