Félix Auger-Aliassime defeated Alex De Minaur 4–6, 7–6, 7–5, 7–6 in the US Open quarter-final on hard court, upsetting the pre-match favourite De Minaur. Despite De Minaur taking the opening set, Auger-Aliassime recovered to claim three consecutive sets in a tightly contested affair that went to tiebreaks in the second and fourth frames. The Canadian's resilience in the pivotal moments proved decisive as he edged out the Australian in a gruelling encounter. This victory represents a significant breakthrough for Auger-Aliassime at a Grand Slam quarter-final stage and advances him to the semi-finals of the year's final major.