Celtic, led by manager Martin O'Neill, played their UEFA Champions League playoff qualifier match for next season on Tuesday evening against LASK Linz.
The "Raiffeisen Arena" hosted the second-leg playoff qualifier match between Celtic and LASK Linz for the 2026/27 UEFA Champions League edition.
LASK Linz managed to achieve an exciting comeback against Celtic, winning the second leg by five goals to one.
Celtic had previously defeated LASK Linz in the first-leg match last Wednesday by three goals to nil.
Celtic entered today's match with Egyptian professional Haitham Hassan on the substitutes' bench, having joined the Scottish club from Real Oviedo this summer.
Celtic took the lead through Callum McGregor's goal in the 21st minute of the first half, while LASK Linz equalized when Moses Asor scored in the 32nd minute.
LASK Linz woke up in the second half, scoring two goals in the 48th and 58th minutes through the duo Robert Ljubičić and Samuel Adeniran.
In stoppage time of the second half, LASK Linz scored their fourth goal, making the aggregate score 4-4 and forcing both teams into extra time.
LASK Linz continued their impressive performance, scoring their fifth goal in the 109th minute, while Celtic missed a penalty that was successfully saved by the Celtic goalkeeper in the 115th minute.
Haitham Hassan did not participate in Celtic's match against LASK Linz on Tuesday evening, remaining on the substitutes' bench throughout the entire game.
With this result, LASK Linz qualifies for the UEFA Champions League, while Celtic, with Haitham Hassan, will participate in the league phase of the UEFA Europa League.