Julien Benneteau and Gael Monfils chalked up wins for the French, who had clinched a trip to the next round on Saturday.
Benneteau dispatched Thanasi Kokkinakis 6-4, 6-1, and Monfils followed with a 7-6 (7-5), 6-4 victory over Nick Kyrgios.
France will take on neighbor Germany in the quarterfinals in April.
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