WATCH: Tennis Star Beats Himself With Racket After Wimbledon Loss

Russian tennis player Andrey Rublev threw a temper tantrum after a bad swing helped him lose his match with Grand Slam debutante Francisco Comesana.

Wimbledon rules bar players from smashing racquets against the court, so Rublev chose the next best thing–slamming his racquet into his knee five times, leaving it bloody and bruised before crashing out of the tournament to the Wimbledon rookie.

“I don’t know why in that moment, I couldn’t take it any more,”...