He thrashed a forehand down the line to bring up set point with a 24th winner before Djokovic made his stunning exit ... before blowing away the 21st seed in the next to tighten his grip. The top seed ...

The 33-stroke exchange was the longest of the evening, and when it ended with Djokovic sailing a forehand long, the capacity crowd at Rod Laver Arena went wild. Djokovic reached for his bothersome ...