May 12, 2019 - Madrid, Madrid, Spain - Stefanos Tsitsipas from Greece seen in action during the Mutua Madrid Open Masters final match against Novak Djokovic from Serbia on day eight at Caja Magica in Madrid..Novak Djokovic beats Stefanos Tsitsipas. (Credit Image: © Legan P. Mace/SOPA Images via ZUMA Wire)