CNN  — 

Although all-time tennis great Novak Djokovic says that his rivalry with Rafael Nadal and Roger Federer made him the player he is today, initially the Serbian was “pissed off” to be part of the golden era.

“They made me stronger, both mentally, physically, my game was improved because of all these matches that we played against each other, mostly because of the matches that I lost to them, some big matches,” the 22-time grand slam champion told CNN’s Becky Anderson in an exclusive interview Tuesday.

In his first interview since withdrawing from the Miami Open over visa issues, Djokovic said he has “no regrets” after ceding the world No. 1 ranking to