Is Slowbro viable in Gen 6 OU?

Slowbro is ranked #26 in Gen 6 OU with 7.87% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Slowbro in Gen 6 OU?

Clefable has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 51.4% of 35.635635838500285 relevant encounters. Standard error is 8.4 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 · Smogon source period Jul 2026 - Sep 2026

#0080 Slowbro

WaterPsychic

USAGE 7.9% #26

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 99.1% Scald 97.0% Ice Beam 47.6% Thunder Wave 44.8% Psyshock 31.0% Calm Mind 26.1% Toxic 15.8% Future Sight 13.9%

Items

Leftovers 39.2% Rocky Helmet 38.2% Colbur Berry 16.2% Eject Button 5.5% Expert Belt 0.5% Assault Vest 0.2% Choice Specs 0.1% Scope Lens 0.0%

Abilities

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

Common Teammates

Tornadus-Therian25.6%

Chansey21.8%

Gliscor21.3%

Browse Gen 6 OU teams using Slowbro →

Explore Slowbro + Clefable teams 18 score Explore Slowbro + Keldeo teams 9 score Explore Slowbro + Rotom-Wash teams 7 score Explore Slowbro + Excadrill teams -0 score Explore Slowbro + Gliscor 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 + Excadrill 49.2% 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 SOFT CHECK View matchup

35.636

17.9

51.4% Standard error 8.37 points

DAMAGE CALC

252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Slowbro: 115-136 (29.1 - 34.5%) -- 99.9% chance to 4HKO after Leftovers recovery

View Clefable counters → Teams with Clefable →

Keldeo

WaterFighting SOFT CHECK View matchup

62.842

9.5

33.2% Standard error 5.94 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 →

Rotom-Wash

ElectricWater SOFT CHECK View matchup

22.01

6.5

49.2% Standard error 10.66 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 →

Excadrill

GroundSteel SOFT CHECK View matchup

48.847

-0.1

24.6% Standard error 6.16 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 →

Gliscor

GroundFlying SOFT CHECK View matchup

28.265

-9.6

21.1% Standard error 7.67 points

DAMAGE CALC

252+ Atk Gliscor Knock Off (97.5 BP) vs. 252 HP / 0 Def Slowbro: 172-204 (43.6 - 51.7%) -- 9% chance to 2HKO

View Gliscor counters → Teams with Gliscor →

Ranked #26 with 7.87% usage. Sorted by conservative score.