Nick Kyrgios takes heckler's bait before blowing up at umpire (again) in exit ...

Controversial tennis player Nick Kyrgios has made an explosive exit from the Miami Open, clashing with yet another fan and the umpire during his fourth round loss.   

Kyrgios was beaten 11th seed Borna Coric, but it was the Australian's third altercation with a spectator in the space of a week that stole the headlines.  

While down four games to two in the fourth set, Kyrgios was midway through is serve when a fan 'disrupted' him. 

Kyrgios immediately blew up at the fan in the crowd. 'F*** you, man!' he shouted. 

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Controversial tennis player Nick Kyrgios made an explosive exit from the Miami Open after a week of clashes with fans in the stands marred the tournament

Controversial tennis player Nick Kyrgios made an explosive exit from the Miami Open after a week of clashes with fans in the stands marred the tournament

Kyrgios was midway through is serve when a fan 'disrupted' him causing him to blow up at the spectator, prompting the chair umpire to penalise Kyrgios a point (pictured arguing with the umpire)

Kyrgios was midway through is serve when a fan 'disrupted' him causing him to blow up at the spectator, prompting the chair umpire to penalise Kyrgios a point (pictured arguing with the umpire)

Chair umpire Gianluca Moscarella docked Kyrgios a point penalty while down game point serving at 2-4 in the deciding set. 

Kyrgios was left fuming after being penalised and sarcastically taunted Moscarella by applauding him and shaking his hand. 

'Good job, well done. You deserve encouragement. You controlled the environment well. Honest feedback, you're done a terrible job,' Kyrgios said. 

Kyrgios's earlier complaints to the umpire about crowd disturbances had fallen on deaf ears. 

'You've done nothing to keep the fans from yelling out.' 

The Australian tennis star has had a tumultuous Miami Open after clashes with umpires and fans marred his tournament

The Australian tennis star has had a tumultuous Miami Open after clashes with umpires and fans marred his tournament

During his third round match up against Serbian Dusan Lajovic he was involved in an ugly altercation with a fan in the stands, before they were escorted from the arena as Kyrgios clapped

During his third round match up against Serbian Dusan Lajovic he was involved in an ugly altercation with a fan in the stands, before they were escorted from the arena as

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