Top seeded Nikolay Davydenko of Russia was ousted from the Mercedes Cup in the second round by Daniel Gimeno-Traver of Spain 7-6 (7), 2-6, 6-1 Thursday. Fourth-seeded Juan Carlos Ferrero finished off Horacio Zeballos of Argentina 6-7 (1), 7-6 (3), 6-2 in a match which was postponed the night before because of darkness at the start of the second-set tiebreaker. Ferrero will take on Gilles Simon of France in the final eight. No. 3-seeded Gael Monfils denied Spanish qualifier Pablo Andujar his first ATP quarterfinals by 6-4, 5-7, 6-4, and will next face local hope Florian Mayer of Germany, who beat Guillermo Garcia-Lopez of Spain 6-3, 6-1. Switzerland's Marco Chiudinelli beat Germany's Bjorn Phau 7-6 (3), 6-3 to reach his first quarterfinals of the season. Verdasco in last 8 In Sweden, two-time champion Tommy Robredo reached the quarterfinals of the Swedish Open Thursday for the eighth time in 10 appearances. The fifth-seeded Robredo came back to beat Andrey Golubev of Kazakhstan 3-6, 6-3, 6-2 to set up a quarterfinal with Spanish countryman Fernando Verdasco. No. 2-seeded Verdasco was a step closer after handling Stephane Robert of France 6-1, 6-1 without offering a break point. Another seeded Spaniard, No. 4 Nicolas Almagro, beat Jarkko Nieminen of Finland 6-4, 6-4 with seven aces. The French Open quarterfinalist will Friday meet Croatia's Franco Skugor, who beat Sweden's Ervin Eleskovic 6-2, 6-3. Rezai, Errani in quarters In Italy, second-seeded Aravane Rezai of France won her seventh straight match when she beat Mariano Duque Marino of Colombia 7-6 (3), 6-3 in the Palermo Open second round Thursday. Rezai solidified her place in the top 20 when she won the Bastad title last weekend, her second title of the year and fourth of her career. She's set to meet wild card Romina Oprandi of Italy, who reached her first quarterfinals since 2006 by defeating Masa Zec Peskiric of Slovenia 6-4, 7-5. Third-seeded Sara Errani of Italy beat qualifier Mirjana Lucic of Croatia 6-0, 7-6 (4), and fifth-seeded Kaia Kanepi of Estonia comfortably beat Ioana Raluca Olaru of Romania 6-1, 6-2. Medina Garrigues in quarters Fifth-seeded Anabel Medina Garrigues of Spain has beaten Catalina Castano of Colombia 6-4, 6-2 to reach the quarterfinals of the Prague Open. To make her third semifinal of the year, Medina Garrigues will have to overcome Czech Lucie Hradecka, who swept aside Monica Niculescu of Romania 6-1, 6-2 Thursday. Seventh-seeded Agnes Szavay of Hungary, fresh from winning her hometown Budapest title, eliminated Czech Iveta Benesova 6-1, 7-5 to set up a meeting with Slovenia's Polona Hercog, who advanced after second-seeded Alexandra Dulgheru of Romania withdrew with a knee injury before their match. Top-seeded Czech Lucie Safarova withdrew with a thigh injury on Wednesday. Patty Schnyder of Switzerland advanced to the quarters with a 6-2, 6-1 win over Alize Cornet of France.