BERLIN, May 20 (Xinhua) -- Radek Stepanek proved too wily for Jose Acasuso as he progressed into the final of the ATP Masters Series event in Hamburg with a straight-sets victory on Saturday.

The 15th seed, from the Czech Republic, used a combination of power and guile to see off his Argentinian opponent, eventually prevailing 6-4 7-6 (7-5).

Stepanek, who will play in only his second Masters Series final,will meet either Tommy Robredo or Mario Ancic in Sunday's showpiece.

They clash later on Saturday in the second semifinal. Enditem