Quote Originally Posted by my guide
Imperial Guard
Defence: 82
Defence %: 0
Magic Defence: 74
Magic Defence %: 0
Materia Slots: O=O O=O O=O
Growth: Normal

Mystile
Defence: 65
Defence %: 50
Magic Defence: 72
Magic Defence %: 60
Materia Slots: O=O O=O O=O
Growth: Normal
Defence: 82 vs. 65. Imperial Guard wins.
Def%: 0 vs. 50. Mystile wins.
MDef%: 0 vs. 60. Mystile wins.
Slots: 3x2 each. Draw.

Overall: Mystile wins, since the inferior Defence is irrelevant when the enemy's attacks can't make contact.