BASEL, Switzerland � Roger Federer says he has married longtime girlfriend Mirka Vavrinec.

The second-ranked tennis player announced on his Web site Saturday that he and Vavrinec had wed in a small ceremony in Basel, Switzerland, earlier in the day.

In a brief statement, Federer said it was "a beautiful spring day and an incredibly joyous occasion.

The couple announced last month they are expecting their first child.