Are Jan Kodeš and Nenad Zimonjić both tennis players?
Jan Kodeš Jan Kodeš (born 1 March 1946) is a right-handed Czech former tennis player who won three Grand Slam singles events in the early 1970s.
Danica Krstajić Danica Krstajić (Cyrillic: Даница Крстајић, born 1 March 1987) is a former Montenegrin professional tennis player. She started a professional tennis career on 10 August 2003, playing for Serbia and Montenegro; and from June 2006, she's playing for Montenegro.