Ferrero beats Massu to advance
Need the scores from any match played in today's tournaments? Results
The victory will give Ferrero a boost. He won his first-round match on Tuesday after opening-round losses in the Australian Open and another tournament in New Zealand.
Andreev, 26, reached his first quarterfinals of an ATP event since August. He won his two break points in the third set to close out the match in 2 hours, 33 minutes.
Andreev, who pushed top-ranked Roger Federer to four sets before losing in the first round of the Australian Open, next faces Cuevas.
Copyright 2010 by The Associated Press
MORE TENNIS HEADLINES
- Serena, Halep top women's Open seedings
- Djokovic, Federer seeded 1-2 for US Open
- Bouchard, Wozniacki toppled in New Haven
- Isner cruises into Winston-Salem semifinals