Nick Kyrgios unapologetic after Miami meltdown

Nick Kyrgios throws his racquet while playing Jannik Sinner on Tuesday. Pic/Getty Images

Nick Kyrgios refused to apologise for his Miami Open meltdown Tuesday and insisted he couldn't care less about receiving further sanctions from tennis bosses.

Kyrgios, who was fined $25,000 for racquet abuse and verbal obscenities after losing to Rafael Nadal in Indian Wells earlier this month, lost his head in the Miami heat and spent his fourth-round match delivering a blistering verbal assault on "dreadful" Brazilian match umpire Carlos Bernardes before crashing out 7-6 (7/3), 6-3 to Italy's Jannik Sinner. The Australian became involved in a running war of words after the walkie-talkie of Bernardes went off mid-point in the first set.

Kyrgios was seething with Bernardes, who was also in charge of his controversial match with Nadal, calling him "an absolute clown" before raging: "This is one of the biggest tournaments and you guys can't do your job. It's embarrassing." The Aussie also snapped: "You wonder why no one watches this sport. It's a laughing stock."

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