The Australian had fought back to level the match against Ruud at one set all and was break up in the third set.
But down break point, Kyrgios framed a forehand wide to hand back the break to Ruud.
Kyrgios then turned his ire at the crowd before slamming his racket to the floor.
He then kicked a water bottle and picked up a nearby stool and threw it across the court.
Kyrgios had received multiple code violations earlier in the match and the umpire handed him a game penalty for unsportsmanlike conduct.
He then packed his bag and walked off the court leading to him being defaulted from the match.
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