In the 21st minute , Robert Kovac , Croatia 's best defender , almost burst through the defense , and in the 37th minute , midfielder Niko Kovac failed to connect with a swerving free kick from left back Darijo Srna in front of an empty net .
Darijo Srna /people/person/nationality Croatia
IN DT JJ NN , NNP NNP , NNP POS JJS NN , RB NN IN DT NN , CC IN DT JJ NN , NN NNP NNP VBD TO VB IN DT VBG JJ NN IN VBN RP NNP NNP IN NN IN DT JJ NN .