Sabine Lisicki moves on, Lucie Hradecka upset at Memphis Indoors Germany's Sabine Lisicki reacts in her match against Angelique Kerber on the eighth day of the 2012 Wimbledon championships in London, July 3, 2012. MEMPHIS, Feb. 19 (UPI) -- Germany's third-seeded Sabine Lisicki advanced but No. 5 Lucie Hradecka of the Czech Republic took an early tumble Tuesday in first-round action at Memphis. Lisicki notched a straight-set victory over American Madison Keys 7-5, 6-3 to advance to the second round of the U.S. National Indoor Tennis Championships. The result wasn't as good for Hradecka, however, as she was upended by French qualifier Claire Feuerstein 6-3, 6-4. Another first-round win was posted by the Czech Republic's Andrea Hlavackova, who dispatched American Melanie Oudin 6-4, 3-6, 6-3. In second-round play Tuesday, No. 7 seed Magdalena Rybarikova of Slovakia reached the quarterfinals with a 7-6 (7-2), 6-2 triumph over American Lauren Davis. Joining her in the quarters was Jamie Hampton, who breezed past American Coco Vandeweghe 6-3, 6-0.