Did Gi-hun trick the old man?

Did Gi-hun trick the old man? He begins to ask Gi-hun whether or not he guessed odd or even, before the latter goes against his best judgement and tricks the old man into thinking he made the correct assumption. In the end, Gi-hun wins the game and Il-nam is shot out of view.

He begins to ask Gi-hun whether or not he guessed odd or even, before the latter goes against his best judgement and tricks the old man into thinking he made the correct assumption. In the end, Gi-hun wins the game and Il-nam is shot out of view.