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Successful start for Kei Nishikori (JPN) in doubles in his match against Fognini (ITA) and Robert Lindstedt (SWE) during day three of the Mutua Madrid Open at La Caja Magica in Madrid on 6th May, 2019. (Photo by Juan Carlos Lucas/NurPhoto via Getty Images)

Successful start for  Kei Nishikori (JPN) in doubles in his match against Fognini (ITA)  and Robert Lindstedt (SWE) during day three of the Mutua Madrid Open at La Caja Magica in Madrid on 6th May, 2019.  (Photo by Juan Carlos Lucas/NurPhoto via Getty Images)