Aleksandar Kolarov of Serbia celebrates after scoring direct from a free kick in a 1-0 win over Costa Rica in Group F in Samara, Russia. Tatyana Zenkovich / EPA
Aleksandar Kolarov of Serbia celebrates after scoring direct from a free kick in a 1-0 win over Costa Rica in Group F in Samara, Russia. Tatyana Zenkovich / EPA

Underdogs Costa Rica lack bite in 1-0 defeat to Serbia