Novak Djokovic says his matches against Roger Federer and Rafael Nadal have made him the player he is today.
Djokovic beat Milos Raonic in his Australian Open quarter-final.
“I have tremendous respect for Roger for everything he has achieved,” Djokovic said. “He is definitely one of my two biggest rivals.
“The match ups against Roger and Rafael have made me the player I am today. I am grateful to have had so many great matches against those guys.”
Djokovic is now set to face Federer in the Australian Open semi-final.