Women's top seed Iga Swiatek was taken to three sets by Zheng Qinwen, but still extended her winning streak to 32 matches ©Getty Images

Picture Gallery

Danish teenager Holger Rune caused the day's biggest upset, defeating fourth seed Stefanos Tsitsipas ©Getty Images
Danish teenager Holger Rune caused the day's biggest upset, defeating fourth seed Stefanos Tsitsipas ©Getty Images
Jessica Pegula of the United States, the next highest seeded player in the draw after Swiatek, also triumphed today in three sets ©Getty Images
Jessica Pegula of the United States, the next highest seeded player in the draw after Swiatek, also triumphed today in three sets ©Getty Images
Marin Cilic sprung a surprise in the night session as he beat second seed Daniil Medvedev ©Getty Images
Marin Cilic sprung a surprise in the night session as he beat second seed Daniil Medvedev ©Getty Images
China's Zheng Qinwen threatened to cause an upset against Swiatek after taking the first set on a tiebreak, but fell to a three-set defeat ©Getty Images
China's Zheng Qinwen threatened to cause an upset against Swiatek after taking the first set on a tiebreak, but fell to a three-set defeat ©Getty Images
Fourth seed Stefanos Tsitsipas, last year's runner-up, was beaten by Holger Rune in four sets ©Getty Images
Fourth seed Stefanos Tsitsipas, last year's runner-up, was beaten by Holger Rune in four sets ©Getty Images
Russian Veronika Kudermetova defeated Madison Keys in three sets to reach the last eight ©Getty Images
Russian Veronika Kudermetova defeated Madison Keys in three sets to reach the last eight ©Getty Images
Daniil Medvedev suffered a straight sets loss at the hands of Cilic in the night match on day nine ©Getty Images
Daniil Medvedev suffered a straight sets loss at the hands of Cilic in the night match on day nine ©Getty Images
Russian Daria Kasatkina dropped just four games in beating Camila Giorgi ©Getty Images
Russian Daria Kasatkina dropped just four games in beating Camila Giorgi ©Getty Images
Jannik Sinner retired hurt with a knee injury in the third set of his match with Andrey Rublev ©Getty Images
Jannik Sinner retired hurt with a knee injury in the third set of his match with Andrey Rublev ©Getty Images