Roddick betters Blake

Top seed Andy Roddick has reached the second round of the ATP Morgan Keegan Championships after beating James Blake.

Top seed beats fellow American for the first time in four meetings

Top seed Andy Roddick has reached the second round of the ATP Morgan Keegan Championships after beating James Blake for the first time in four meetings. Roddick had a wobble in the second set but eventually prevailed, beating his fellow American 6-3 4-6 7-6 (7-3) in Memphis. However, the tournament's third and fourth seeds, Radek Stepanek and Tommy Haas, both crashed out on Wednesday. Belgium's Xavier Malisse accounted for Haas, booking his place in round two with a 6-4 3-6 6-4 victory over the German. Meanwhile, Latvian youngster Ernests Gulbis stunned Stepanek in their second-round match, knocking out the Czech player 7-6 (7/5) 7-5. In other first-round action on Wednesday, Leonardo Mayer of Argentina beat American Mardy Fish 6-4 6-0 while eighth seed Sam Querrey comfortably beat another American, Rajeev Ram, 6-2 6-3. American sixth seed John Isner also advanced to the quarter-finals with a 6-7 (3/7) 6-4 6-4 victory over Finland's Jarkko Nieminen while Germany's Philipp Petzschner beat Kazakhstan's Evgeny Korolev 7-6 (7/5) 7-6 (7/5).