Astonishing performances and astonishing decisions

Emma Raducanu loses to New Zealand qualifier Lulu Sun, and also makes a contentious decision to pull out of the mixed doubles with Wimbledon favourite Andy Murray.

Jannik Sinner and Daniil Medvedev will renew acquaintances in a quarter-final and Alex de Minaur is the sole Aussie in singles competition after progressing via a walkover.