Nadal, who hasn’t ever gained the ATP Finals in spite of his trophy-laden profession, dethroned Djokovic from the highest of the scores this week.
The 33-year-old stated he used to be glad to be in London after being pressured to drag out of Paris however admitted he used to be now not serving at complete tilt.
“I want to see how issues evolve each unmarried day,” he stated. “I’ve excellent hopes to be 100 p.c in a position for Monday.”
The Spanish most sensible seed stated he had best began working towards his serving on Thursday and it have been “very gradual”.
“For me the principle purpose is to be wholesome for Monday greater than to have an enormous quantity of services and products,” he added.
Nadal, who gained the French Open and US Open this 12 months, stated he have been glad together with his shape prior to his damage.
“I am assured that I will be very aggressive however after all it is a event that you are going to face the highest guys from the start so you wish to have to be 100 p.c in a position.
“I in point of fact hope that I can serve each unmarried day higher.”
Nadal’s warring parties within the Andre Agassi crew are Daniil Medvedev, Stefanos Tsitsipas and Alexander Zverev.
His first fit is on Monday in opposition to protecting champion Zverev.
The Bjorn Bjorg crew options Djokovic, Roger Federer, Dominic Thiem and Matteo Berrettini.
The season-ending tournament, that includes the 12 months’s absolute best 8 avid gamers, is contested in a round-robin layout with the most efficient 4 avid gamers and doubles groups attaining the knockout semi-finals level.