Halep through to quarter-finals at Open

By John Salvado
Updated January 27 2020 - 11:39pm, first published 9:53pm
Simona Halep is yet to drop a set this year at the Australian Open.
Simona Halep is yet to drop a set this year at the Australian Open.

Coach Darren Cahill has paid tribute to Simona Halep's improved fighting spirit after the No.4 seed dug deep to end the Australian Open campaign of Belgian Elise Mertens.