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"&lt;p&gt;                      &lt;/p&gt;&lt;p&gt; MARSEILLE, France (AP) -- Third-seeded Ernests Gulbis of Latvia reached the Open 13 quarterfinals on Thursday after a hard-fought 6-3, 5-7, 6-4 win against Roberto Bautista Agut of Spain, while fourth-seeded Andreas Seppi of Italy lost 7-6 (3), 6-4 to Michael Llodra of France.    &lt;/p&gt;&lt;p&gt; Gulbis had 23 aces but needed more than two hours to win, while Seppi dropped his serve twice against Llodra, who had 14 aces.    &lt;/p&gt;&lt;p&gt; Germany's Jan-Lennard Struff also secured an upset, beating seventh-seeded Julien Benneteau 4-6, 7-6 (3), 6-3.    &lt;/p&gt;&lt;p&gt; Fifth-seeded Ivan Dodig of Croatia, No. 6 Edouard Roger-Vasselin of France, and No. 8 Nicolas Mahut of France progressed.    &lt;/p&gt;&lt;p&gt; Dodig beat Germany's Tobias Kamke 6-7 (4), 6-0, 6-3, Roger-Vasselin advanced with a 7-6 (2), 6-4 win against Sergiy Stakhovsky of Ukraine, and Mahut won 7-6 (5), 6-3 against Ricardas Berankis of Lithuania.  &lt;/p&gt;&lt;p&gt;Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.      &lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/tennis/2014/02/20/open-13-thursday>