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
Germany
/people/person/nationality
PERSON
James Blake
PERSON
Robby Ginepri
PERSON
Sam Querrey
PERSON
Philipp Kohlschreiber
LOCATION
Germany