WATCH: 'I would say that Nadal...' - Novak Djokovic reveals the toughest opponent he faced

Despite the fact that Rafael Nadal and Roger Federer are on the "short" list, Novak doesn't appear to be confounded over which of the two aces was his best opponent. Ahead of the Qatar Open Novak Djokovic is still going strong even though he as an knee injury. During an event, Novak Djokovic was asked about his toughest opponent; without any thought, he picked Rafael Nadal.

"You probably know the names of Federer and Nadal. I would say that Nadal stands out as the biggest opponent and rival. Yes," Djokovic said. The first meeting between Novak Djokovic and Rafael Nadal took place in 2006, which is already eighteen years ago. It happened in the quarterfinal of Roland Garros.

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On the toughest opponent he has faced:

“You probably know the names Federer and Nadal. I would say Nadal would be the one that probably stands out as my highest opponent and rival. Yes.” pic.twitter.com/u3v8TJZddS

— TennisONE App (@TennisONEApp) February 17, 2025

Even though the match ended in a lackluster fashion with Djokovic's retirement in the third set, it laid the groundwork for a rivalry that would last for nearly 20 years. Over the years, two champions have faced off numerous times, each establishing their dominance at various events. Adding to his 14 French Open victories, Nadal was dubbed the "King of Clay." Djokovic dominated Melbourne's hard courts, taking home eleven titles in the process.

Novak Djokovic's career is coming to an end.

More matches have been played between Djokovic and Nadal—60 total—and Novak has a winning record of 31–29. He has a 27-23 head-to-head record versus the Swiss, but he was more persuasive in those encounters. Even after more than 20 years of touring and setting numerous records, Novak Djokovic acknowledged that he still gets "stressed and nervous" before matches. At the age of 37, Djokovic's career is coming to an end. Over the past year, the Serb has begun to sustain ailments more frequently and has experienced some unexpected losses. 

Prior to every game, I get stomach cramps. "I feel anxious, anxious, and excited," he remarked. Having won every imaginable prize in tennis, the most Grand Slam championships during the Open Era, and the most weeks at No. 1, Djokovic has solidified his place as the greatest of all time.