Celtic's hopes of advancing to the Champions League were dashed in a shocking turn of events as they suffered a 5-1 defeat to LASK in the second leg of their playoff. Having entered the match with a commanding 4-0 advantage from the first leg, Celtic appeared to be in a strong position. However, LASK demonstrated their determination and quickly turned the tide.

The match began with Celtic taking the lead through a goal from captain Callum McGregor. However, LASK responded with a goal from Moses Usor just before halftime, narrowing the aggregate score to 4-1. In the second half, LASK dominated the game, with Usor assisting Robert Ljubicic for another goal, and Samuel Adeniran scoring a stunning long-range shot to make it 3-1, further closing the gap to 4-3 on aggregate.

Celtic struggled to contain LASK's relentless pressure, and as the match progressed, they found themselves on the back foot. Adeniran hit the crossbar, and in stoppage time, Florian Flecker equalized, sending the match into extra time. In the first half of extra time, both teams failed to score, but Adeniran struck again with a precise shot that put LASK ahead for the first time in the tie.

Despite a missed penalty opportunity for Adeniran, LASK held on to their lead, securing a historic 5-1 victory and advancing to the Champions League group stage for the first time in their history. Celtic, on the other hand, faced one of the most painful collapses in their club's history and will now compete in the Europa League.

This match highlights the unpredictability of football and the intense competition in European tournaments, where even a significant lead can evaporate in a matter of minutes.