New York, Sept. 1 -- Novak Djokovic, a modern-day legend with a record 24 Grand Slam titles under his belt, still dreams of adding a 25th in his trophy cabinet at the US Open but knows he is still far from realising it.

Djokovic orchestrated a tidy and crisp performance to trounce Germany's Jan-Lennard Struff and set up a quarter-final showdown with the number four seed and home favourite Taylor Fritz at the tournament. Even though he stands three wins away from turning his dream into reality, the 38-year-old wants to take it one step at a time.

"[It is] still a very long way. For me, [the] past couple of years, I learned one thing [I need to do] right now is to take really one match at a time. And yes, of course, I'm dreaming about win...