this girl wants to make a bet with me, what should I make the bet?

I was talking to this girl on my college track team and we decided to play a game of basketball one on one and she said we need to make a bet, but I need to come up with it..everyone I asked said to make it a kiss if I win, I asked my friends that are girls and they said she's clearly looking for kiss..but what should the bet be?? What If she wins (she actually played college ball, I'm not too good lol) I Wana say if I win I get a kiss and if she wins I do her any favor she wants..is that good if not give me ideas please