Sebastian Korda, 20, takes on idol Rafael Nadal at French Open
PARIS — Sebastian Korda was 9, heart set on a hockey career, when he went with his father, Petr, to the 2009 U.S. Open. By then, Petr — 1998 Australian Open champion, 1992 French Open finalist — had retired as a competitor and turned to coaching. Sebastian watched Petr’s player,...