“you win this one”
You win this one. concedes a particular argument when the speaker has no comeback. Adding this one makes it playful: the speaker is admitting defeat on this occasion, rather than conceding everything.
A1-06 / CEFR A1 / EPISODE 06
Talking about Monday mornings
SceneMonday morning, on the way to school.

WORDS & CONTEXT
You win this one. concedes a particular argument when the speaker has no comeback. Adding this one makes it playful: the speaker is admitting defeat on this occasion, rather than conceding everything.