Third seed Amelie Mauresmo of France has breezed into the quarterfinals of the Australian Open tennis tournament in Melbourne.
Mauresmo easily knocked off 16th seed Czech teenager Nicole Vaidisova, 6-1, 6-1 in Monday's fourth round. She next takes on seventh seed Patty Schnyder of Switzerland, who overpowered 2004 French Open champion and number 12 seed Anastasia Myskina of Russia 6-2, 6-1.
Later Monday world number two Kim Clijsters of Belgium faces Italian 15th seed Francesca Schiavone, and three-time Australian singles champion Martina Hingis of Switzerland continues her amazing comeback from three years of retirement when she goes up against unseeded Australian Samantha Stosur.
In men's fourth-round action, 21st seed Nicolas Kiefer of Germany advanced to the quarterfinals after winning 7-6, 6-3, 6-3 over Argentine Juan Ignacio Chela. He next takes on the winner of an all-French fourth-round contest between 25th seed Sebastien Grosjean and unseeded Paul-Henri Mathieu. Kiefer has 300 career match victories - 50 at a Grand Slam event.
World number one Roger Federer of Switzerland will play Germany's Tommy Haas in Monday's late match. The 41st world ranked Haas beat Federer in the opening round of an exhibition warm-up event (Kooyong Classic in Doha) a few days before the start of the Australian Open.Some information for this report was provided by AP and Reuters.