Socceroos winger Daniel Arzani has gone under the knife in Spain after tearing his anterior cruciate ligament during his senior debut for Scottish side Celtic.

The 19-year-old appeared to come out of surgery not long after Australia beat Lebanon 3-0 at Sydney's ANZ Stadium on Tuesday night in their final hitout before next year's Asian Cup.

Arzani will play no part in the Socceroos' 2015 title defence in the UAE and is likely to have nine months of rehabilitation ahead of him.