[1] Serafidis played mainly as a left winger and started his football career at a club of his neighborhood, AE Ierapolis.
At the age of 17, he moved to AEK Athens, where he played for three season, however he did not manage to participate in an official match.
[4] Serafidis was occasionally involved in coaching, taking charge over Egaleo,[5] the club where he took his first football steps.
Between 1961 and about 1965, still being an active footballer although he was a substitute, Serafidis invested in business and enacted with the former entertainment center of Panos Gavalas in the forest of the Kaisariani Shooting Range.
Although the two brothers coexisted in national team assignments, they ultimately did not compete at the same time as Stelios, being 6 years younger, was anointed an international once, few months before Lambis retired.