American Chris Eubanks stunned world number five Stefanos Tsitsipas to reach the quarter-finals of Wimbledon with the biggest knockout of his career.
Novak Djokovic belatedly reached the Wimbledon quarter-finals after polishing off Hubert Hurkacz.
World number three Daniil Medvedev eased into his maiden Wimbledon quarter-final after Jiri Lehecka was forced to retire injured.
Victoria Azarenka branded Wimbledon fans "drunk" and not "fair" after she was booed off court following a fourth-round loss to Elina Svitolina.
Novak Djokovic's Round of 16 clash against Hubert Hurkacz was brought to a premature end after they reached Wimbledon's curfew on Sunday night.
Top seed Iga Swiatek saved two match points against Belinda Bencic on her way to securing her first Wimbledon quarterfinal berth.