Little spared by injuries since the beginning of his career, the "Bull of Manacor" has not played in competition since the beginning of September and its abandonment in the semi-finals of the US Open because, at the time of a knee problem.
He added that he made a decision to have the ankle operation so he can start 2019 healthy.
This way I hope to be in top conditions for next season.
Nadal has only been able to take up his hard won place at the Finals three times in the past seven years - and last season was far from fit as he pulled out after just one match.
The 31-year-old, who was knocked off the No. 1 spot by Serbia's Novak Djokovic Monday, will be replaced by American John Isner at the November 11-18 event at London's O2 Arena. Much of Nadal's highlights this year did, however, come before lingering injuries got the best of him. Pete Sampras holds the record of six.
Spaniard Nadal's withdrawal in Paris meant Djokovic returned to the top of the world rankings.
And Nadal was not able to recover to play the season-ending ATP Finals, opting to undergo surgery on a long-standing ankle problem in order to rehabilitate before 2019.
In a statement released on Twitter, Nadal confirmed the problem which forced him to miss the final Masters 1000 tournament of the campaign and continued pain in his ankle was the reason behind his absence from the elite eight-player field in London.
Novak Djokovic of Serbia shouts during the final match of the Paris Masters tennis tournament against Karen Khachanov of Russian Federation at the Bercy Arena in Paris, France, Sunday, Nov. 4, 2018.
He was dumped out of the French Open as the 20th seed at the quarterfinal stage before embarking on a fine run.
Then more or less straight away they score the second one and then the atmosphere was completely different, you could feel it. It's still in our hands and if we win our next two games we go through, but it was a great opportunity missed for us.
Meanwhile, Cameron Meredith has been a complete non-factor, failing to register even a target in the last three weeks. When Bryant, a former star, worked out with Cleveland, he briefly negotiated with the team but never came to terms.
The come-from-behind success left United manager Mourinho at a loss to explain his team's poor start. Even Netherlands should pay attention , as he could become one of their starting centre-backs, too.
He said he faced political retribution this year in the form of an anti-brothel push and regulatory problems. By the time he died, it was too late to put another Republican on the general election ballot.
After a war of words between the journalist and president, Trump said CNN was fake news and, as such, an enemy of the people . Trump fired back, using his Twitter feed to call her a "crazed, crying lowlife" and 'that dog'.
In August an Inside Xbox documentary featured footage of the PUBG Corp's office, and on one of the desks was a PlayStation 4 Pro. Another motivating factor behind Microsoft's latest move could be the pending release of PUBG on PlayStation 4.
Still, in his most recent tweet , Musk outlined the company's long-term vision for expanding beyond its current biggest markets. " Tesla will produce all the battery modules at China's super factories, as we do today in California and Nevada", Musk said .
Rashida Tlaib is one of the first Muslim women elected to Congress and will represent Michigan's 13th Congressional District. Alexandria Ocasio-Cortez rose to fame in her surprise victory in the primaries, defeating incumbent Democrat Rep.
Tim Berners-Lee wants to fix the web, 30 years on
It's a delicate balancing act, but limiting some freedoms could end up creating a fairer, more open Web. Berners-Lee is against this, claiming that "if you sign up to the principles, you can't do censorship".
Jury selection begins for El Chapo's trial
He has been in solitary confinement in a high-security NY prison since Mexico extradited him to the United States in January 2017. They agreed to co-operate and record phone conversations with Guzman about the size of shipments smuggled on boats and airplanes.
Ron DeSantis Beats Andrew Gillum To Become Florida Governor
DeSantis , meanwhile, was plagued by accusations of racism following remarks he made the day after his primary victory in August. Despite all the hype surrounding Gillum, he failed to gain as many votes as his senatorial counterpart, incumbent Democrat Sen.
Did an alien space probe pass near Earth past year ?
Scientists have been puzzling over "Oumuamua" ever since the mysterious object was seen tumbling past the sun in late 2017. Loeb said he is not definitively claiming the object is alien, but said it is important to acknowledge the possibility.
Tottenham must alter Pochettino's pressing style: Lloris
However, Kane's scuffed left-foot shot found the bottom corner before his late header took two deflections on its way in. Both sides now sit on one point in the group while Barcelona sit top with nine and Inter in second with six.