The top three seeds, including No. 1 seed Jo-Wilfried Tsonga, won their quarterfinal matches Friday at the Stockholm Open men\'s tennis tournament. Tsonga easily topped Sergiy Stakhovsky, 6-3, 6-4 to advance to a semifinal match Saturday against seventh-seeded Marcos Baghdatis, who eliminated Ricardas Berankis 6-3, 7-6 (7-4). Second seeded Tomas Berdych beat No. 6 seed Mikhail Youzhny 6-3, 7-6 (7-2) to advance to a semifinal match against third-seeded Nicolas Almagro, a 6-1, 6-4 winner Friday over Lleyton Hewitt.