Tennis: Nick Kyrgios defaulted from Italian Open after throwing chair on court

Nick Kyrgios is out of the Italian Open, after being defaulted in his second-round clash with Norway's Caspar Rudd on Friday (NZ time).

With the scores level at 6-3 6-7 (7-5) 1-1 in the third set, Kyrgios took exception to movement in the crowd and made his feelings known to the spectators, after his serve was broken by the Norwegian.   

He was docked a game by the chair umpire and furiously kicked a bottle, then hurled a sideline chair on to the court, before picking up his bag and leaving the court.   

He was subsequently defaulted from the match, handing Rudd a third-round clash with Argentinian Juan Martin del Potro.   

"Very eventful day to say the least," Kyrgios wrote on Instagram later. 

"Emotions got the better of me and I just wanted to say that the atmosphere was crazy out there today, just super unfortunate that it had to end in a default. Sorry Roma, see you again, maybe."

Serial offender Kyrgios, who has a history of bad behaviour, was suspended by the ATP Tour in 2016 for tanking in a match against Mischa Zverev and insulting fans during a loss at the Shanghai Masters. 

The ATP has confirmed Kyrgios will lose US$33,635 (NZ$51,440) in prizemoney from the tournament, in addition to 45 ATP points, and said there'd likely be further punishment, pending an investigation.  

In 2015, Kyrgios insulted Stan Wawrinka with crude remarks during a match in Montreal. He was fined $US12,500 and given a suspended 28-day ban.      

He also attracted criticism for deciding not to play at the 2016 Olympics, because of a spat with chef de mission Kitty Chiller.

The controversial Canberran made international headlines before the match, when he launched a withering attack on world number one Novak Djokovic, Rafael Nadal and Fernando Verdasco in an explosive podcast interview.   

AAP