Weak toDragonFairy ×1.6

Attacker	Type	Moveset	DPS
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	43.3
Rayquaza	DragonFlying	Dragon TailBreaking SwipeLegacy	31.8
Haxorus	Dragon	Dragon TailBreaking SwipeLegacy	31.8
Palkia	WaterDragon	Dragon TailDraco Meteor	31.8
Salamence	DragonFlying	Dragon TailDraco Meteor	31.5
Baxcalibur	DragonIce	Dragon BreathGlaive RushLegacy	31.1
Dragonite	DragonFlying	Dragon TailDraco MeteorLegacy	29.9
Dragapult	DragonGhost	Dragon TailBreaking Swipe	29.9
Garchomp	DragonGround	Dragon TailBreaking Swipe	29.4
Reshiram	DragonFire	Dragon BreathDraco Meteor	28.8
Dialga	SteelDragon	Dragon BreathDraco Meteor	28.8
Enamorus	FairyFlying	Fairy WindDazzling Gleam	28.8

Windy boosts the Dragon attacks above. Rainy and Windy boost Tatsugiri.

Level 40, 15 attack IV, costed against Tatsugiri's own defense and typing, one per evolution family.

Tatsugiri's moveset, CP and shiny All counters Raid board

Questions people ask

What is Tatsugiri weak to in Pokémon GO?

Tatsugiri takes 1.6 times from Dragon and Fairy.

What's the best counter to Tatsugiri?

Eternatus with Dragon Tail and Dynamax Cannon, worth 43.3 damage per second against Tatsugiri's own defense. The full ranking is above.