Novak Djokovic reaches 7th consecutive U.S. Open semifinal

"Every point, you have to play. He never (misses)," Youzhny said. "He never (gives) you some presents. OK, maybe one, two, but not (consistently)."

Novak Djokovic beat Mikhail Youzhny to reach his seventh straight U.S. Open semifinal :: Charles Krupa/AP

"Every point, you have to play. He never (misses)," Youzhny said. "He never (gives) you some presents. OK, maybe one, two, but not (consistently)."