Spanish tennis player Rafael Nadal takes part in a practice warm-up session during the Davis Cup World Group playoffs between Spain and India in New Delhi on September 17, 2016. / AFP / SAJJAD HUSSAIN (Photo credit should read SAJJAD HUSSAIN/AFP/Getty Images)
Spanish tennis player Rafael Nadal takes part in a practice warm-up session during the Davis Cup World Group playoffs between Spain and India in New Delhi on September 17, 2016. / AFP / SAJJAD HUSSAIN (Photo credit should read SAJJAD HUSSAIN/AFP/Getty Images)
Spanish tennis player Rafael Nadal takes part in a practice warm-up session during the Davis Cup World Group playoffs between Spain and India in New Delhi on September 17, 2016. / AFP / SAJJAD HUSSAIN (Photo credit should read SAJJAD HUSSAIN/AFP/Getty Images)
Spanish tennis player Rafael Nadal takes part in a practice warm-up session during the Davis Cup World Group playoffs between Spain and India in New Delhi on September 17, 2016. / AFP / SAJJAD HUSSAIN (Photo credit should read SAJJAD HUSSAIN/AFP/Getty Images)
