Type matchups and best counters for Gengar in Pokémon Polished Crystal. Learn which Pokémon can effectively counter Gengar and what types to use against it.
Types that deal increased damage to Gengar. Use these types to counter it effectively.
Types that Gengar resists or is immune to. Avoid using these types against it.
Pokémon that have type advantages against Gengar, either offensively or defensively.