Roger Federer show us his champion quality in a long match against Robin Soderling. They played the quarterfinal round of US Open 2010. Match duration was 1 h:56′ . Here is the summary: Roger Federer vs Robin Soderling Set 1: 6-4; Set 2: 6-4; Set 3: 7-5; So we will see Federer in the semifinals [...]