Federer can cut Nadal's current lead to 1,460 points with an eighth career victory at Basel.
But while the three-time Grand Slam champion's practises have been light, he is due to up the intensity as he looks to prepare for a meeting with Roger Federer in an exhibition match, according to the Telegraph.
Nadal is now only 2,000 points ahead of Federer in the world rankings and there are 3,000 points available from the Basel, the Paris Masters and the ATP Finals.
For the moment only Nadal, Federer, Alexander Zverev and Dominic Thiem have confirmed their places at the end-of-season Masters in London next month.
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Securities and Exchange Commission and the Australian Securities & Investments Commission in this matter. The FCA acknowledges not only the considerable assistance but also the collaboration of the U.S.
In his social media statement, Nadal said he had seen his doctor on his return from China.
The Spaniard says he is suffering from an "over-stressing of the knee" and has chose to listen to doctors' orders and not compete in Switzerland next week.
"After two great weeks in China, with the title in Beijing and the final in Shanghai it is time for some rest", he added. This past weekend, Federer extended his winning streak over Nadal to five matches after beating the Spaniard in straight sets to win the Shanghai Masters. According to his doctors the Spaniard suffers from overstressing of the knee.
Nadal, victor of the US Open and China Open, saved the first break point but could not survive the second as Federer surged to a second Shanghai Masters crown.
The Swiss Indoors Basel, which commences from October 21 till October 29, still boasts an impressive player field including Federer, Marin Cilic, Juan Martin del Potro, David Goffin, Nick Kyrgios and Roberto Bautista Agut.