Prep tennis

Monday's results

In Wimbledon, England

Men's singles

Fourth round

Tommy Haas (24), Germany, def. Igor Andreev (29), Russia, 7-6 (8), 6-4, 6-4.

Roger Federer (2), Switzerland, def. Robin Soderling (13), Sweden, 6-4, 7-6 (5), 7-6 (5).

Novak Djokovic (4), Serbia, def. Dudi Sela, Israel, 6-2, 6-4, 6-1.

Ivo Karlovic (22), Croatia, def. Fernando Verdasco (7), Spain, 7-6 (5), 6-7 (4), 6-3, 7-6 (9).

Lleyton Hewitt, Australia, def. Radek Stepanek (23), Czech Republic, 4-6, 2-6, 6-1, 6-2, 6-2.

Juan Carlos Ferrero, Spain, def. Gilles Simon (8), France, 7-6 (4), 6-3, 6-2.

Andy Roddick (6), United States, def. Tomas Berdych (20), Czech Republic, 7-6 (4), 6-4, 6-3.

Andy Murray (3), Britain, def. Stanislas Wawrinka (19), Switzerland, 2-6, 6-3, 6-3, 5-7, 6-3.

Women's singles

Fourth round

Elena Dementieva (4), Russia, def. Elena Vesnina, Russia, 6-1, 6-3.

Victoria Azarenka (8), Belarus, def. Nadia Petrova (10), Russia, 7-6 (5), 2-6, 6-3.

Agnieszka Radwanska (11), Poland, def. Melanie Oudin, United States, 6-4, 7-5.

Venus Williams (3), United States, def. Ana Ivanovic (13), Serbia, 6-1, 0-1, retired.

Serena Williams (2), United States, def. Daniela Hantuchova, Slovakia, 6-3, 6-1.

Francesca Schiavone, Italy, def. Virginie Razzano (26), France, 6-2, 7-6 (1).

Sabine Lisicki, Germany, def. Caroline Wozniacki (9), Denmark, 6-4, 6-4.

Dinara Safina (1), Russia, def. Amelie Mauresmo (17), France, 4-6, 6-3, 6-4.