Roger Federer has reached his first final of the season.

The top-ranked Swiss defeated Denis Gremelmayr 2-6, 7-5, 6-1 Saturday in the Estoril Open semifinals.

Gremelmayr broke Federer in the first game, and another break in the seventh put the German on course to win the first set.

Federer recovered to break the 104th-ranked German four times in the match, cruising in the third set.

Federer will play the winner of the match between Nikolay Davydenko and Florent Serra.