Top seed beaten

Nikoloz Basilashvili beat topseeded Ivo Karlovic 7-6 (2) 6-3 yesterday to advance to the Memphis Open tennis quarterfinals. Basilashvili, ranked 67th in the world, never lost his serve and allowed the 20thranked Karlovic just one break point opportunity In other second-round action, fourthseeded Steve Johnson beat fellow American Tim Smyczek 3-6 6-4 6-2.