The old man is standing in a green dress.
Some of the games Il-nam played during his childhood included , and , rarely ever losing the latter.
Our alleyway looked very similar.
When undercover detective Hwang Jun-ho discovers the file of players for the 2020 games in episode 5, he opens the folder and finds that the first page is for Player 002.
With an odd number of players, one will be left alone.