Roger Federer Hits Another Tweener Between The Leg Shot - US Open 2010 - 1st Round. Roger Federer hit another tweener in his 1st round match in US Open 2010 vs. Brian Dabul - 2nd set. He looked as if he himself couldn't believe he pulled the shot again :. Very cute/sheepish smile on his face after the shot. Some suggested that this one is harder to