Maybe he just takes it as a practice match cuz he always struggles but always wins against this guy

ROTTERDAM, Netherlands (AP)—Roger Federer extended his perfect record against Jarkko Nieminen with a 7-5, 7-6 (2) win Friday to reach the semifinals at the ABN Amro World Tennis Tournament.

The top-seeded Federer did not face a single break point in his 13th straight win over the Fin dating to 2002. The No. 3-ranked Swiss will face Nikolay Davydenko, who dispatched fifth-seeded Frenchman Richard Gasquet 7-5, 6-3.