In the US Open Tennis, top seed Rafael Nadal swept past Russian teenager Andrey Rublev to enter US Open Semi-finals. Nadal, 31, saw off 19-year-old Rublev 6-1 6-2 6-2 in straight sets in one hour and 37 minutes.The Spaniard will face Federer for the first time in New York if the Swiss beats Juan Martin del Potro in another quarterfinal match.