Qualifying and toppling Nishikori will see the diminutive shot-maker 's ranking rise yet further . Daniel Evans pulls off a major upset on the opening day of tennis ' U.S. Open . Evans , ranked 179th , beats Roger Federer in straight sets to win his first Grand Slam title and become only the second man after Pete Sampras to hold all four majors at once. Venus Williams , Agnieszka Radwanska and Li Na were first-round women 's winners . James Blake will retire after the U.S. Open , putting an end to his 14-year pro career .
Daniel Evans pulls off a major upset on the opening day of tennis ' U.S. Open . Evans , ranked 179th , beats Roger Federer in straight sets to win his first Grand Slam title and become only the second man after Pete Sampras to hold all four majors at once. Venus Williams , Agnieszka Radwanska and Li Na were first-round women 's winners . James Blake will retire after the U.S. Open , putting an end to his 14-year pro career .