Consider this thought experiment: Both players intentionally try to loose the game. You cannot forfeit, you have to play. No holds barred. It's a cut-throat competition to loose. How would you try to loose?
As a reminder, page 13 of the rulebook. The scenario above is not a mission.
Winning the Game
When one player destroys all of his opponent’s ships, the game ends and that player wins. If playing a mission, refer to its victory conditions.
In the unlikely event that each player’s final ship is destroyed at the same time, the player with initiative wins.