Quick game is intended for simplicity, not for customisability.
If you'd like to play a single player game against the AI with arbitrary settings, go to your config, and add a couple of AI teams of max level, then go to local multiplayer and add your team and the AI team(s).

You might find "AI Survival" mode fun at that point, resurrects the AI when he dies. Object is to live as long as possible and score as many points as possible.

(It *is* possible to manage a tie game, just very difficult. In theory, a win too, but very very very very unlikely.)