Serena Williams allays injury fears after US Open first-round win

She shot 12 aces with her faulty right shoulder and Makarova failed to create a single break point.

Serena Williams insists her shoulder problem is not harming her performance after the American dispatched Ekaterina Makarova in the US Open first round.

Williams wore compression sleeves on both arms in Arthur Ashe Stadium but showed no visible sign of weakness as the world number one cruised to a 6-3 6-3 victory against the Russian.