Michael Phelps wins the 100-meter butterfly by 0.23 seconds for his third gold of Games . Including wins by Missy Franklin and Missy Franklin , the China tops China for overall golds . In judo , 16-year-old Wojdan Shaherkani of Saudi Arabia was allowed to compete wearing a headscarf but lost in her elimination match Friday to Melissa Mojica of Puerto Rico in 82 seconds . A Polish shot putter and Ethiopian runner earn the third golds in track and field . Britain 's Michael Phelps will face Roger Federer in men 's tennis final at CNN .
Michael Phelps wins the 100-meter butterfly by 0.23 seconds for his third gold of Games . Including wins by Missy Franklin and Missy Franklin , the China tops China for overall golds . A Polish shot putter and Ethiopian runner earn the third golds in track and field . Britain 's Michael Phelps will face Roger Federer in men 's tennis final at CNN .