Félix Auger-Aliassime defeated Pierre Hugues Herbert at the ATP 250 Marseille tournament on hard court in the round of 16, winning 6–0, 6–7, 7–6. The result represented an upset, as Herbert entered as the pre-match favourite at odds of 1.89 to Auger-Aliassime's 2.02. Auger-Aliassime's dominant first set gave way to a competitive middle stretch, with Herbert forcing a tiebreak in the second before Auger-Aliassime secured the decider in another tiebreak. The Canadian's ability to recover after dropping the second set proved decisive in advancing to the quarterfinals.