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Nikola "Niki" Pilic, a retired Croatian professional tennis player who competed for SFR Yugoslavia, during the German team press conference prior to the Davis Cup first round match against Germany, in Frankfurt, Germany, 03 March 2015. Germany will host France on 06, 07 and 08 March, in a re-match of the World Group quarterfinal clash in 2014. Under Niki Pilic Germany won three times the Davis Cup, now the tennis coach returns as a consultant. (Photo by Horacio Villalobos/Corbis via Getty Images)

Nikola "Niki" Pilic, a retired Croatian professional tennis player who competed for SFR Yugoslavia, during the German team press conference prior to the Davis Cup first round match against Germany, in Frankfurt, Germany, 03 March 2015. Germany will host France on 06, 07 and 08 March, in a re-match of the World Group quarterfinal clash in 2014. Under Niki Pilic Germany won three times the Davis Cup, now the tennis coach returns as a consultant. (Photo by Horacio Villalobos/Corbis via Getty Images)