Is Slowbro viable in Gen 9 RU?

Slowbro is ranked #19 in Gen 9 RU with 11.87% usage according to Smogon May 2026 - Jul 2026 data.

What beats Slowbro in Gen 9 RU?

Slowbro has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 45.8% of 21.328948424064215 relevant encounters. Standard error is 10.8 points. Sets and switch conditions can change the result.

How are Slowbro matchup checks ranked in Gen 9 RU?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Slowbro was knocked out or switched out. This is not a set-specific battle guarantee.

Slowbro counters

Gen 9 RU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0080 Slowbro

WaterPsychic

USAGE 11.9% #19

ABILITYRegenerator

BASE STATS

HP 95

ATK 75

DEF 110

SPA 100

SPD 80

SPE 30

BST490

TYPE MATCHUPS

2×

ElectricGrassBugGhostDark

½×

FireWaterIceFightingPsychicSteel

Moves

Scald 93.7% Slack Off 90.3% Calm Mind 50.5% Psychic Noise 48.5% Psyshock 22.6% Body Press 18.5% Foul Play 15.7% Future Sight 13.4%

Items

Rocky Helmet 49.9% Heavy-Duty Boots 27.1% Life Orb 5.9% Colbur Berry 4.5% Covert Cloak 4.0% Eject Button 3.9% Assault Vest 3.6% Leftovers 0.5%

Abilities

Regenerator100.0%Oblivious0.0%Own Tempo0.0%

Tera Types

Poison 47.2% Fairy 34.4% Fighting 5.1% Ghost 4.7% Steel 3.1% Dark 1.3% Water 1.3% Grass 1.0%

Common Teammates

Browse Gen 9 RU teams using Slowbro →

Explore Slowbro + Slowbro teams 3 score Explore Slowbro + Noivern teams -2 score Explore Slowbro + Entei teams -10 score

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Team core to explore

Slowbro + Noivern 35.6% teammate usage Explore teams →

Checks & Counters

Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.

How to read this table

Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.

# Checker Encounters Conservative score Target KO or switch rate

Slowbro

WaterPsychic SOFT CHECK View matchup

21.329

2.6

45.8% Standard error 10.79 points

DAMAGE CALC

0- Atk Slowbro Foul Play vs. 252 HP / 0 Def Slowbro: 90-108 (22.8 - 27.4%) -- 59.4% chance to 4HKO

View Slowbro counters → Teams with Slowbro →

Noivern

FlyingDragon SOFT CHECK View matchup

22.442

-1.5

39.8% Standard error 10.33 points

DAMAGE CALC

252+ SpA Noivern Draco Meteor vs. 252 HP / 252+ SpD Slowbro: 159-187 (40.3 - 47.4%) -- guaranteed 3HKO

View Noivern counters → Teams with Noivern →

Entei

Fire SOFT CHECK View matchup

34.66

-9.8

13.1% Standard error 5.74 points

DAMAGE CALC

252+ Atk Entei Crunch vs. 252 HP / 0 Def Slowbro: 162-192 (41.1 - 48.7%) -- guaranteed 3HKO

View Entei counters → Teams with Entei →

Ranked #19 with 11.87% usage. Sorted by conservative score.