Among the Americans who advanced were James Blake , Robby Ginepri and 18-year-old Sam Querrey , who made his Open debut with a straight-set victory over Philipp Kohlschreiber of Germany .
Philipp Kohlschreiber /people/person/nationality Germany
IN DT NNPS WP VBD VBD NNP NNP , NNP NNP CC JJ NNP NNP , WP VBD PRP$ NNP NN IN DT JJ NN IN NNP NNP IN NNP .
Philipp Kohlschreiber
PERSON
Germany
LOCATION
/people/person/nationality