Novak Djokovic ends Aslan Karatsev run and reaches another Australian Open final

Novak Djokovic is all smiles after beating Aslan Karatsev (Andy Brownbill/AP)

Novak Djokovic ended the remarkable run of qualifier Aslan Karatsev to reach a ninth Australian Open final.

The world number one, who has won the title on each of the eight previous occasions he has reached the semi-finals in Melbourne, claimed his first straight-sets win since the first round, beating the world number 114 6-3 6-4 6-2.