Britain’s Cameron Norrie reached the semi-finals at the Atlanta Open after second seed Nick Kyrgios retired injured, drawing boos from the crowd, the Daily Mail report.

The world number 18, who was also booed off court in Washington a year ago, called for a medical time-out during the quarter-final due to a recurring hip problem.

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However, the Atlanta crowd didn’t show much sympathy to the controversial Australian, as he was booed off court again after officially retiring from the last eight tie.

Kyrgios, who also came under fire from tennis fans after his dramatic straight sets loss to Kei Nishikori at Wimbledon, was trailing Norrie 7-5 3-0 when he decided to retire.

Norrie, who will now be competing in his second ATP semi-final against American Ryan Harrison as a result, did express sympathy for the Australian in an interview after the match.

I really feel for the guy. He’s so talented. Who knows what he could do in tennis if he was healthy.

Currently ranked as world number 73, Norrie will be searching for his first win on the tour, with American John Isner and Australian Matthew Ebden involved in the other semi-final.