Sam Querrey of the United States beat Feliciano Lopez 6-3, 7-6 (4) Tuesday at the Valencia Open.
Top-seeded David Ferrer edged Olivier Rochus 7-5, 7-5 to reach the second round.
Rochus saved five break points before succumbing to Ferrer on serve in the 10th game of the second set. The fifth-ranked Spaniard held to win despite 42 unforced errors.
Also, Alexandr Dolgopolov of the Ukraine beat Filippo Volandri of Italy 6-3, 7-6 (5).