Memphis, Buenos Aires, Marseille and Dubai Results

After Serena Williams dismissed Ana Ivanovic and Venus Williams dominated Elena Dementieva, the Barclays Dubai Tennis Championships will be the host of what is always a highly anticipated matchup, tennis fan or not. Sister vs. sister, Williams vs. Williams and number 1 vs. number 6. The other semifinals will feature underdog Virginie Razzano who took out Vera Zvonareva and number 16 seed Kaia Kanepi. In men's action, Andy Roddick won in Memphis while Novak Djokovic advanced in Marseille.

Memphis

Men's Singles- 2nd Round

Andy Roddick (1) def. Robby Ginepri, 6-2, 6-3

Juan Martin del Potro (2) def. Ernests Gulbis, 6-3, 6-4

Radek Stepanek (5) def. Stefan Koubek, 6-2, 6-4

Christophe Rochus def. Mardy Fish (7), 6-2, 6-4

Lleyton Hewitt def. Chris Guccione, 6-2, 7-6 (7-4)

Igor Kunitsyn def. Philipp Petzschner, 3-6, 6-4, 6-4

Dudi Sela def. Florent Serra, 7-6 (7-4), 7-6 (7-4)

Buenos Aires

Men's Singles- 2nd Round

Jose Acasuso (5) def. Fabio Fognini, 6-4, 6-3

Diego Junqueira vs. Oscar Hernandez, 6-3, 6-7 (5-7)

Maximo Gonzalez def. Brian Dabul, 6-3, 6-1

Juan Monaco def. Martin Vassallo Arguello, 6-4, 2-6, 6-2

Marseille

Men's Singles- 2nd Round

Novak Djokovic (1) def. Jan Hernych, 7-5, 6-4

Gilles Simon (2) def. Rainer Schuettler, 6-4, 4-6, 6-2

Jo-Wilfried Tsonga (4) def. Simone Bolelli, 6-3, 6-2

Michael Llodra def. Paul-Henri Mathieu, 6-3, 7-6 (7-1)

Julien Benneteau def. George Bastl, 6-1, 2-6, 6-1

Dubai

Women's Singles- Quarterfinals

Serena Williams (1) def. Ana Ivanovic (8), 6-4, 6-4

Venus Williams (6) def. Elena Dementieva (4), 6-3, 6-3

Virginie Razzano def. Vera Zvonareva (5), 7-6 (9-7), 7-5

Kaia Kanepi (16) def. Elena Vesnina, 6-3, 7-5