Two more seeds went down at the Internationaux de Strasbourg, but No.3 seed Alizé Cornet and No.7 seed Chanelle Scheepers set up a quarterfinal showdown.
Serena Williams' two titles and perfect 15-0 record have cast a shadow over the 2013 clay court season and on Sunday she looks to round off her French Open preparations with victory at the Foro Italico.