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Spain's Rafael Nadal (L) and Marc Lopez play against India's Leander Peas and Saketh Myneni during their doubles tennis match 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)

Spain's Rafael Nadal (L) and Marc Lopez play against India's Leander Peas and Saketh Myneni during their doubles tennis match 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)

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Spain's Rafael Nadal (R) and Marc Lopez play against India's Leander Peas and Saketh Myneni during their doubles tennis match 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)

Spain's Rafael Nadal (R) and Marc Lopez play against India's Leander Peas and Saketh Myneni during their doubles tennis match 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)

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Spain's Rafael Nadal (R) and teammate Feliciano Lopez return the ball to India's Leander Peas and Saketh Myneni during their doubles tennis match at the Davis Cup World Group tennis playoffs between Spain and India in New Delhi on September 17, 2016. / AFP / SAJJAD HUSSAIN (Photo credit should read SAJJAD HUSSAIN/AFP/Getty Images)

Spain's Rafael Nadal (R) and teammate Feliciano Lopez return the ball to India's Leander Peas and Saketh Myneni during their doubles tennis match  at the Davis Cup World Group tennis playoffs between Spain and India in New Delhi on September 17, 2016. / AFP / SAJJAD HUSSAIN        (Photo credit should read SAJJAD HUSSAIN/AFP/Getty Images)