Top seeded Tomas Berdych and No. 3 seed Gael Monfils had simple two-set matches to find their way into the quarterfinals of the Open Sud de France.
Berdych defeated qualifier Florent Serra of France, 6-0, 6-2. Berdych served up nine aces and converted on 100 percent of his break point opportunities. The 14-game match took 55 minutes to complete.
Berdych is fresh off an appearance in the quarterfinals of the Australian Open.
Berdych will face Nicolas Mahut in the quarterfinals. Mahut upset No. 6 seeded Florian Mayer. Despite the first set being determined by a tiebreak, Mahut had little trouble in the second set, winning 7-6 (3), 6-3.
Monfils beat American Michael Russell in an hour and 15 minutes. The final score was 6-3, 6-3. Monfils snapped 17 aces, winning 84 percent of his first service points. Russell had two. Monfils is the last winner of the tournament in 2010 before it switched locations.
Monfils will face No. 8 seed Jarkko Nieminen. Nieminen defeated Paul-Henri Mathieu 7-6 (4), 6-1 to reach the quarterfinals.
The remaining quarterfinal matches are between No. 4 seeded Richard Gasquet and No. 7 seeded Philipp Kohlschreiber, as well as No. 2 seeded Gilles Simon against countryman and wildcard Guillaume Rufin.