Borna Ćorić lost to Richard Gasquet 2-6, 6-7, 1-6 and Marin Čilić beat Lucas Pouille 6-1, 7-6, 2-6, 6-2
Ana Konjuh and Marin Čilić won the first round matches of the Olympic tournament
Cilic stepped in instead of Draganja and the change turned out to be a good decision, as the boys from Međugorje clinched the first point for Croatia