Is Slowbro viable in Gen 6 OU?

Slowbro is ranked #27 in Gen 6 OU with 7.17% usage according to Smogon May 2026 - Jul 2026 data.

What beats Slowbro in Gen 6 OU?

Clefable has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 65.9% of 55.14683690123948 relevant encounters. Standard error is 9.0 points. Sets and switch conditions can change the result.

How are Slowbro matchup checks ranked in Gen 6 OU?

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 6 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0080 Slowbro

WaterPsychic

USAGE 7.2% #27

ABILITYRegenerator

BASE STATS

HP 95

ATK 75

DEF 110

SPA 100

SPD 80

SPE 30

BST490

TYPE MATCHUPS

2×

ElectricGrassBugGhostDark

½×

FireWaterIceFightingPsychicSteel

Moves

Slack Off 98.4% Scald 97.0% Ice Beam 46.0% Thunder Wave 43.2% Psyshock 29.3% Calm Mind 22.2% Toxic 22.1% Future Sight 18.8%

Items

Leftovers 42.3% Rocky Helmet 36.6% Colbur Berry 11.8% Eject Button 9.1% Assault Vest 0.1% Choice Scarf 0.0% Kee Berry 0.0% Choice Specs 0.0%

Abilities

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

Common Teammates

Excadrill46.5%

Clefable33.7%

Tornadus-Therian32.4%

Browse Gen 6 OU teams using Slowbro →

Explore Slowbro + Clefable teams 30 score Explore Slowbro + Rotom-Wash teams 3 score Explore Slowbro + Keldeo teams -3 score Explore Slowbro + Excadrill teams -9 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 + Excadrill 46.5% 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

Clefable

Fairy DEFENSIVE CHECK View matchup

55.147

29.9

65.9% Standard error 9.00 points

DAMAGE CALC

252+ SpA Slowbro Psyshock vs. 252 HP / 0 Def Clefable: 156-184 (39.5 - 46.7%) -- guaranteed 3HKO after Leftovers recovery

View Clefable counters → Teams with Clefable →

Rotom-Wash

ElectricWater SOFT CHECK View matchup

21.313

3.4

46.7% Standard error 10.81 points

DAMAGE CALC

252+ SpA Rotom-Wash Volt Switch vs. 252 HP / 252+ SpD Slowbro: 182-216 (46.1 - 54.8%) -- 7.4% chance to 2HKO after Leftovers recovery

View Rotom-Wash counters → Teams with Rotom-Wash →

Keldeo

WaterFighting SOFT CHECK View matchup

50.949

-2.8

34.5% Standard error 9.32 points

DAMAGE CALC

252+ SpA Choice Specs Keldeo Focus Blast vs. 252 HP / 252+ SpD Slowbro: 133-157 (33.7 - 39.8%) -- 30.2% chance to 3HKO after Leftovers recovery

View Keldeo counters → Teams with Keldeo →

Lopunny-Mega

NormalFighting SOFT CHECK View matchup

21.002

-7.9

33.2% Standard error 10.27 points

DAMAGE CALC

252+ Atk Lopunny-Mega Return vs. 252 HP / 0 Def Slowbro: 175-207 (44.4 - 52.5%) -- guaranteed 3HKO after Leftovers recovery

View Lopunny-Mega counters →

Excadrill

GroundSteel SOFT CHECK View matchup

56.84

-8.6

22.8% Standard error 7.85 points

DAMAGE CALC

252+ Atk Excadrill Earthquake vs. 252 HP / 0 Def Slowbro: 169-201 (42.8 - 51%) -- guaranteed 3HKO after Leftovers recovery

View Excadrill counters → Teams with Excadrill →

Slowbro-Mega

WaterPsychic SOFT CHECK View matchup

20.281

-16.9

12.1% Standard error 7.25 points

DAMAGE CALC

252+ SpA Slowbro-Mega Surf vs. 252 HP / 252+ SpD Slowbro: 67-79 (17 - 20%) -- possible 7HKO

View Slowbro-Mega counters →

Ranked #27 with 7.17% usage. Sorted by conservative score.