#0026 · Gen 1

Raichu (Alola) — Best counters

Weaknesses

	Pokémon	Fast move	Charged move	Weather	Score
1	Gengar (Mega)	ghostLickELITE	ghostShadow Ball	Fog	10013.0
2	Groudon (Primal)	groundMud Shot	groundPrecipice BladesELITE	Clear	9812.7
3	Absol (Mega)	darkSnarl	darkBrutal SwingELITE	Fog	9111.8
4	Banette (Mega)	ghostHex	ghostShadow Ball	Fog	8711.3
5	Garchomp (Mega)	groundMud Shot	groundEarthquake	Clear	8711.3
6	Blacephalon	ghostAstonish	ghostShadow Ball	Fog	8511.1
7	Landorus (Therian)	groundMud Shot	groundSandsear StormELITE	Clear	8511.0
8	Tyranitar (Mega)	darkBite	darkBrutal Swing	Fog	8410.9
9	Heracross (Mega)	bugStruggle Bug	bugMegahorn	Rainy	8310.8
10	Pheromosa	bugBug Bite	bugBug Buzz	Rainy	8210.6
11	Houndoom (Mega)	darkSnarl	darkFoul Play	Fog	8110.5
12	Darkrai	darkSnarl	ghostShadow Ball	Fog	7710.0
13	Sceptile (Mega)	bugFury Cutter	groundEarthquake	Clear · partial	769.8
14	Chandelure	ghostHex	ghostShadow Ball	Fog	769.8
15	Zoroark (Hisui)	darkSnarl	ghostShadow Ball	Fog	769.8
16	Pinsir (Mega)	bugBug Bite	bugX Scissor	Rainy	759.8
17	Groudon	groundMud Shot	groundPrecipice BladesELITE	Clear	759.7
18	Beedrill (Mega)	bugBug BiteELITE	bugX Scissor	Rainy	759.7
19	Gengar	ghostLickELITE	ghostShadow Ball	Fog	759.7
20	Alakazam (Mega)	psychicPsycho Cut	ghostShadow Ball	Fog · partial	749.6

Raichu (Alola) is weak to Ground (×1.6), Bug (×1.6), Ghost (×1.6), Dark (×1.6).
Watch its Electric/Psychic/Grass/Water moves — counters like Gengar (Mega) and Groudon (Primal) take super-effective damage from them.
Fog weather boosts Ghost moves ×1.2 — the best time to battle Raichu (Alola).

Rankings are estimated cycle DPS (attack stat × move damage ÷ cycle time, with STAB and type effectiveness). Not a full battle simulation.