Grigor Dimitrov of Bulgaria celebrates winning in his fourth round match against Nick Kyrgios of Australia on day seven of the 2018 Australian Open at Melbourne Park. Michael Dodge / Getty Images
Grigor Dimitrov of Bulgaria celebrates winning in his fourth round match against Nick Kyrgios of Australia on day seven of the 2018 Australian Open at Melbourne Park. Michael Dodge / Getty Images
Time for Grigor Dimitrov to deliver on his promise
The Bulgarian world No 3 faces Britain's Kyle Edmund for a place in the Australian Open semi-finals