By the time Zverev was 6-2, 3-1 down, his emotions got the better of him as he hit a routine backhand into the net. He banged his racket to the ground, then gave it another swipe before tossing the mangled implement into the crowd. Djokovic posted only nine unforced errors to 24 for Zverev.

Source: Los Angeles Times October 13, 2018 19:30 UTC