Russia's Dinara Safina has beaten the Italian Flavia Pennetta in straight sets to join Jelena Jankovic and Elena Dementieva in the women's singles semi-finals at the US Tennis Open.
Russia's Dinara Safina has beaten the Italian Flavia Pennetta in straight sets to join Jelena Jankovic and Elena Dementieva in the women's singles semi-finals at the US Tennis Open.