Well, this is a way to liven things up!
Check out the fight (above) and watch three fans duke it out in the stands during the Novak Djokovic vs. Philipp Petzschner tennis match.
Watch closely at :21 when things start to get real cray cray! Old man down!! Repeat! Old man down!!
The man and woman were reportedly taken away by police.
Meanwhile, during all that fighting, Djokovic managed to win the game.