Denis Shapovalov defeated Tomáš Macháč 7–6, 6–0 in the Dallas 250 quarter-final on hard court, upsetting the pre-match favourite despite entering as the underdog. Shapovalov's performance was decisive in the second set, where he secured a comprehensive 6–0 victory after edging a competitive first-set tiebreak. The Canadian's composed display across both frames proved sufficient to dismiss Macháč's challenge and advance deeper into the tournament. The result marks a significant turnaround for Shapovalov in Dallas, positioning him favourably for the semi-final stage.