Rafael Nadal was forced to retire hurt during his quarter-final with Marin Cilic ©Getty Images

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Marin Cilic led 2-0 in the final set before Rafael Nadal called an early halt to the match through injury ©Getty Images
Marin Cilic led 2-0 in the final set before Rafael Nadal called an early halt to the match through injury ©Getty Images
The world number one underwent extensive treatment in the fourth set but was unable to recover ©Getty Images
The world number one underwent extensive treatment in the fourth set but was unable to recover ©Getty Images
The Croatian sixth seed will face Britain's Kyle Edmund in the last four ©Getty Images
The Croatian sixth seed will face Britain's Kyle Edmund in the last four ©Getty Images
Kyle Edmund stunned world number three Grigor Dmitrov to book his place in the semi-finals ©Getty Images
Kyle Edmund stunned world number three Grigor Dmitrov to book his place in the semi-finals ©Getty Images
The Briton had never before progressed to the semi-finals at a Grand Slam ©Getty Images
The Briton had never before progressed to the semi-finals at a Grand Slam ©Getty Images
There was also a surprise in the women's event as Belgium's Elise Mertens shocked fourth seed Elina Svitolina of the Ukraine ©Getty Images
There was also a surprise in the women's event as Belgium's Elise Mertens shocked fourth seed Elina Svitolina of the Ukraine ©Getty Images
The unfancied Belgian produced a superb display ©Getty Images
The unfancied Belgian produced a superb display ©Getty Images
Second seed Caroline Wozniacki avoided an upset as she beat Carla Suárez Navarro of Spain in three sets ©Getty Images
Second seed Caroline Wozniacki avoided an upset as she beat Carla Suárez Navarro of Spain in three sets ©Getty Images
The Spaniard took her Danish opponent to a deciding set but eventually fell short ©Getty Images
The Spaniard took her Danish opponent to a deciding set but eventually fell short ©Getty Images