Speed check

Pick two Pokémon and see who moves first, through the same stat formula the battles use. Level, nature, Speed IV and EVs, stat stages and paralysis all count. Underneath, the speed tiers for that level: the slowest, a neutral 31 IV, and the fastest each species can be.

Your Pokémon

The other side

Who moves first

Pick both Pokémon to see.

Priority moves (Quick Attack, Aqua Jet, Sucker Punch) go first whatever the Speed. Trick Room is not in the game.

Speed tiers

#PokémonBaseSlowestNeutralFastest

Slowest is a 0 IV, no EVs and a Speed-lowering nature. Neutral is a 31 IV, no EVs. Fastest is a 31 IV, 252 EVs and a Speed-raising nature. Your two picks are marked wherever they land.