Contorting his body while sliding into shots, Novak Djokovic used his typical relentless defense to reach the U.S. Open semifinals for the seventh year in a row.
Not quite as unflinchingly dominant as he was during his first four matches in the tournament, the top-seeded Djokovic quickly overcame a one-set lull Thursday night against 21st-seeded Mikhail Youzhny of Russia before finishing off a 6-3, 6-2, 3-6, 6-0 victory.
''Level of confidence is right at the top, very close, because I have been playing most of my matches here very aggressive, very dominantly,'' Djokovic said. ''I have been very satisfied with my performances overall in the whole tournament so far. And even tonight, even though I dropped a set, I feel I was in control.''
It put Djokovic in his 14th consecutive Grand Slam semifinal, a 3 1/2-year stretch that is the second-longest in men's tennis history. Roger Federer's record is 23.
''I've been always trying to play my best tennis at Grand Slams,'' said Djokovic,...