Cilic knocks off Mathieu; Andreev, Wawrinka, Canas advance
Need the scores from any match played in this or any other tournament? Results
Mathieu, ranked 18th, is likely to drop out of the top 20 after failing to defend the points he won a year ago.
Cilic defeated the 26-year-old Mathieu for the third straight match, but the first time on clay.
Copyright 2008 by The Associated Press