World number one Nadal defeated South Africa's world number 32 Kevin Anderson 6-3, 6-3, 6-4 yesterday in a brutally one-sided final during which he did not face a break point.
Nadal also claimed an unprecedented 10th French Open in June after finishing runner-up to Roger Federer at the Australian Open.
"In terms of results, this has been one of the best seasons of my career, of course," Nadal admitted of a year in which he won at least two Slams for the fourth time in his career.
"I have been winning titles, playing three finals of Grand Slams, so that's a lot. That's so difficult. The other slam that I was not in the final, I lost the match 15-13 in the fifth to be in the quarterfinals.
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"So was very competitive year for me. And on clay, I won almost every match. Of course is an emotional season because I have been through tough moments in terms of injuries."
From Wimbledon in 2003, an incredible 53 of 58 Slams have now been claimed by just five men -- Federer (19), Nadal (16), Novak Djokovic (12) and Andy Murray and Stan Wawrinka with three apiece.
Only Andy Roddick, Gaston Gaudio, Marat Safin, Juan Martin del Potro and Marin Cilic have broken the spell.
"We are are in an era that is not nice to say, because I'm part of it, but we are in an era that some players make incredible things in this sport," said Nadal.
To hammer home their enduring appeal and dominance, Federer and Nadal shared the four Slams in 2017 -- Federer winning the Australian Open before capturing a record eighth Wimbledon.
Despite his success, catching the 19 majors of Federer is not particularly high on Nadal's list of priorities.
"I really never thought much about that. I just do my way. He does his way. Let's see when we finish," he said.
"I have 16. So three is big difference. I really don't think much about these kind of things.
"Tennis is not all about the Grand Slams, so there are tournaments to come and I'm excited about this last part of the season.
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