He is on the books of Olympiakos Piraeus U19 and wears shirt number 3. His main role on the pitch is Defender. His stronger foot is Left. His estimated market valuation currently stands at 175K €.

His latest transfer saw him join Olympiakos Piraeus B from Olympiakos Piraeus U19 via on 2025-07-01.

Across the UEFA Youth League 2025-2026, Nektarios Alafakis appeared in 6 matches and averaged 0 tackles, 0 interceptions, 0.5 clearances, and 0 blocked shots per game.