MADRID, SPAIN - NOVEMBER 20: Rafael Nadal of Spain and Diego Schwartzman of Argentina poses for photo before their match during the Day 5 of the 2019 Davis Cup at La Caja Magica on November 22, 2019 in Madrid, Spain. (Photo by Oscar J. Barroso / AFP7 / Europa Press Sports via Getty Images)
MADRID, SPAIN - NOVEMBER 20: Rafael Nadal of Spain in action during his match played against Diego Schwartzman of Argentina during the Day 5 of the 2019 Davis Cup at La Caja Magica on November 22, 2019 in Madrid, Spain. (Photo by Oscar J. Barroso / AFP7 / Europa Press Sports via Getty Images)
MADRID, SPAIN - NOVEMBER 20: Rafael Nadal of Spain celebrates the victory after his match played against Diego Schwartzman of Argentina during the Day 5 of the 2019 Davis Cup at La Caja Magica on November 22, 2019 in Madrid, Spain. (Photo by Oscar J. Barroso / AFP7 / Europa Press Sports via Getty Images)
MADRID, SPAIN - NOVEMBER 20: Rafael Nadal of Spain celebrates the victory after his match played against Diego Schwartzman of Argentina during the Day 5 of the 2019 Davis Cup at La Caja Magica on November 22, 2019 in Madrid, Spain. (Photo by Oscar J. Barroso / AFP7 / Europa Press Sports via Getty Images)
MADRID, SPAIN - NOVEMBER 20: Diego Schwartzman of Argentina laments after his match played against Rafael Nadal of Spain during the Day 5 of the 2019 Davis Cup at La Caja Magica on November 22, 2019 in Madrid, Spain. (Photo by Oscar J. Barroso / AFP7 / Europa Press Sports via Getty Images)
MADRID, SPAIN - NOVEMBER 20: Rafael Nadal of Spain looks on during his doubles match played with Marcel Granollers of Spain against Machi Gonzalez and Leonardo Mayer of Argentina during the Day 5 of the 2019 Davis Cup at La Caja Magica on November 22, 2019 in Madrid, Spain. (Photo by Oscar J. Barroso / AFP7 / Europa Press Sports via Getty Images)