Nick Kyrgios loses his composure and loses his match against Karen Khachanov in the quarterfinals.

Kyrgios came to New York determined to improve on his performance in the Wimbledon final, 

but he was unable to match the incredible level he shown in defeating the defending champion Daniil Medvedev in the fourth round.

Instead, Russian Khachanov advances to a first-round grand slam semifinal after winning 7-5 4-6 7-5 6-7 (3) 6-4 well before midnight.

"I finished! "I accomplished it," said Khachanov. "I'm really pleased of myself; I maintained my concentration throughout.

Even though it was a tough match, I was prepared to battle and play five sets.

After congratulating Khachanov, Kyrgios quickly left the court after shattering two rackets to express his disappointment with the outcome.

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