Nick Kyrgios overcame a right shoulder injury to defeat Brandon Nakashima of the United States in five sets and make the Wimbledon quarter-finals on Monday.

Nick Kyrgios reached the Wimbledon quarter-finals on Monday and reflected on his dark days when he had to be hauled "out of a pub at 4:00 am" before facing Rafael Nadal at the All England Club.

The volatile Australian overcame a right shoulder injury to defeat Brandon Nakashima of the United States 4-6, 6-4, 7-6 (7/2), 3-6, 6-2 to return to the quarter-finals for the first time in eight years.

Back on his best behaviour after his bitter third-round clash with Stefanos Tsitsipas, the 27-year-old Australian is taking great delight in proving his critics wrong.

"I sit here now in the quarter-finals of Wimbledon again, and I just know there's so many people that are so upset," Kyrgios said.

Kyrgios has endured a rollercoaster career since breaking through as a 19-year-old at the All England Club in 2014, where he shocked Nadal as a 144th-ranked wild card.

Three years ago, however, Nadal gained revenge. It was one of Kyrgios's many low points in a controversy-heavy career.