Chelsea booked their place in the Carabao Cup semi-finals on Wednesday night, but not without discomfort, as a resilient Cardiff City side pushed the Premier League club deep into a demanding contest.

From the opening whistle, Cardiff signaled their intent, pressing aggressively and refusing to cede midfield territory. Chelsea enjoyed the bulk of possession but struggled to convert territorial dominance into clear chances, with Cardiff’s compact defensive shape limiting space between the lines.

The breakthrough eventually came through persistence rather than precision, with Chelsea capitalising on sustained pressure to open the scoring. Yet the goal failed to settle the contest. Cardiff responded with renewed intensity, forcing Chelsea into defensive adjustments and testing their composure.

As the match wore on, Chelsea’s experience became decisive. The visitors managed the tempo more effectively, slowing the game when under pressure and exploiting moments of transition to regain control. Cardiff continued to threaten, particularly through wide areas and set pieces, but lacked the final touch to force an equaliser.

The final stages were marked by nervous energy, with Chelsea focused on game management rather than expansion. When the final whistle sounded, relief was as evident as celebration.

The result sends Chelsea into the semi-finals, but the performance will prompt reflection. Against elite opposition later in the competition, sharper execution and greater attacking clarity will be required.