HAMBURG, GERMANY - JULY 23: Rudolf Molleker of Germany in action during the German Tennis Championships at Rothenbaum on July 23, 2018 in Hamburg, Germany. (Photo by TF-Images/Getty Images)
HAMBURG, GERMANY - JULY 23: Rudolf Molleker of Germany in action during the German Tennis Championships at Rothenbaum on July 23, 2018 in Hamburg, Germany. (Photo by TF-Images/Getty Images)