Anderson will next face Jaume Munar. The seventh-seeded Spaniard defeated Simone Bolelli 7-5, 6-0. Ernests Gulbis also advanced, beating second-seeded Hyeon Chung 7-6 (2), 6-2, while Ivo Karlovic beat Evgeny Donskoy 6-4, 7-5. Gulbis will face Karlovic in the quarterfinals.
Also, fifth-seeded Benoit Paire defeated Jiri Vesely 6-4, 6-2.
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