Karolína Muchová reaches last eight in Melbourne for first time

Karolína Muchová has reached the quarter-finals at tennis’s Australian Open. After a slow start the Czech, who is 24, overcame Elise Mertens of Belgium 7-6 7-5 to reach the last eight in Melbourne for the first time in her career. Muchová, ranked 25th in the world, will face either Shelby Rogers or world number one Ashleigh Barty for a place in her first ever Grand Slam semi-final.