Muchová stuns world number one to reach Melbourne final

Karolína Muchová has caused a sensation by reaching the semi-finals of the Australian Open. The Czech came from behind to beat world number one Ashleigh Barty of Australia 1-6 6-3 6-2. It is the first time the 24-year-old has reached the last four of a Grand Slam tournament.

Muchová, ranked 25th in the world, will now face Jennifer Brady of the USA for a place in the final in Melbourne.