As the decade closes, let's reflect on five of the most effective racquet demolitions of 2019.

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Nick Kyrgios — Cincinnati second round

Any other year this racquet smash would have taken home the title. Nick Kyrgios left the court during his second-round match against Karen Khachanov with two brand new racquets and returned with two shattered racquets.

Since the umpire didn’t witness Kyrgios' fit of madness, he could not penalize him. It’s comedy gold, and huge props to the cameraman for following Kyrgios into the tunnel and making all of this a reality.

Still, the full meltdown was tough to watch, and Kyrgios paid the price with a record-setting fine of $113,000.