World no. 1 Andy Murray loses to world number 50 in Aus Open
World number one Andy Murray lost to world number 50 Mischa Zverev 5-7, 7-5, 2-6, 4-6 in the fourth round of the Australian Open on Sunday. With the win, Zverev entered his first Grand Slam quarter-final, and will play the winner of the Roger Federer-Kei Nishikori match. Notably, Zverev was ranked 1,067 in the ATP Rankings two years earlier.