On Tuesday , the 29-year-old Goldstein changed enough pace and chased down enough balls to drive the highly regarded 18-year-old Novak Djokovic of Serbia to distraction in a 6-2 , 1-6 , 6-3 , 6-2 victory .
Novak Djokovic /people/person/nationality Serbia
IN NNP , DT JJ NNP VBD RB NN CC VBN RB RB NNS TO VB DT RB VBN JJ NNP NNP IN NNP TO NN IN DT CD , CD , CD , CD NN .
Novak Djokovic
PERSON
Serbia
LOCATION
/people/person/nationality