Roger Federer took Center Court at the U.S. Open tennis tournament here Tuesday, admitting he had the apprehensions of a newcomer.
Which he clearly is not.
This was Federer's 64th consecutive appearance in a Grand Slam event and his 16th straight U.S. Open. He has won here five times and is seeded second, behind Novak Djokovic.
In his most recent tournament, he beat No. 1 Djokovic in the final in Cincinnati, collecting the 87th title of his career.
Still, Federer had had trouble in the past with his first-round opponent, Argentina's Leonardo Mayer. They played once, last year in Shanghai, and Federer struggled to win in three sets, needing to save five match points...