Five things we can learn from the Australian Open

Serbia's Novak Djokovic (C) holds The Norman Brookes Trophy as he celebrates with ballboys after victory in his men's singles final match against Britain's Andy Murray on day fourteen of the 2016 Australian Open tennis tournament in Melbourne on January 31, 2016. AFP PHOTO / SAEED KHAN-- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE

MELBOURNE: Five things we learned from the Australian Open, the first Grand Slam tournament of the tennis season:

The world is impressed and amazed by Novak Djokovic’s dominance but it isn’t much fun watching him trample over his competitors time and time again. The wins keep coming for the Serb and his ruthless recent treatment of Rafael Nadal, Roger Federer and Andy Murray, in Sunday’s one-sided final, underline his supremacy after what was a dominant 2015. Djokovic’s main threat is now time, as he pursues Federer’s all-time record of 17 Grand Slam titles, and, he says, the karmic forces that keep his feet on the ground. “You can get a big slap from karma very soon,” he warned.