Is Slowbro viable in Gen 7 OU?

Slowbro is ranked #44 in Gen 7 OU with 3.66% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Slowbro in Gen 7 OU?

Greninja has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 64.5% of 73.3720968216376 relevant encounters. Standard error is 5.6 points. Sets and switch conditions can change the result.

How are Slowbro matchup checks ranked in Gen 7 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 7 OU · Smogon source period Jul 2026 - Sep 2026

#0080 Slowbro

WaterPsychic

USAGE 3.7% #44

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 99.6% Scald 98.3% Ice Beam 45.1% Thunder Wave 40.6% Toxic 40.2% Future Sight 38.8% Protect 10.5% Counter 7.2%

Items

Rocky Helmet 31.1% Leftovers 29.6% Psychium Z 28.8% Colbur Berry 4.7% Iapapa Berry 1.8% Waterium Z 1.3% Electrium Z 1.0% Icium Z 0.7%

Abilities

Regenerator99.3%Oblivious0.7%Own Tempo0.0%

Common Teammates

Gliscor62.5%

Chansey48.5%

Scizor-Mega30.3%

Tornadus-Therian28.8%

Heatran23.9%

Weavile22.0%

Landorus-Therian20.7%

Ferrothorn20.7%

Browse Gen 7 OU teams using Slowbro →

Explore Slowbro + Greninja teams 42 score Explore Slowbro + Chansey teams 15 score Explore Slowbro + Toxapex teams 13 score Explore Slowbro + Landorus-Therian teams -6 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 + Gliscor 62.5% 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

Greninja

WaterDark OFFENSIVE CHECK View matchup

73.372

42.1

64.5% Standard error 5.59 points

DAMAGE CALC

252+ SpA Choice Specs Greninja Dark Pulse vs. 252 HP / 252+ SpD Slowbro: 306-360 (77.6 - 91.3%) -- guaranteed 2HKO

View Greninja counters → Teams with Greninja →

Chansey

Normal SOFT CHECK View matchup

25.868

14.5

53.8% Standard error 9.80 points

DAMAGE CALC

Chansey Seismic Toss vs. 252 HP Slowbro: 100-100 (25.3 - 25.3%) -- guaranteed 4HKO

View Chansey counters → Teams with Chansey →

Toxapex

PoisonWater SOFT CHECK View matchup

77.098

12.8

34.4% Standard error 5.41 points

DAMAGE CALC

0- Atk Toxapex Knock Off (97.5 BP) vs. 252 HP / 0 Def Slowbro: 80-96 (20.3 - 24.3%) -- guaranteed 5HKO

View Toxapex counters → Teams with Toxapex →

Medicham-Mega

FightingPsychic SOFT CHECK View matchup

20.736

8.6

52.4% Standard error 10.97 points

DAMAGE CALC

252+ Atk Pure Power Medicham-Mega Thunder Punch vs. 252 HP / 0 Def Slowbro: 276-326 (70 - 82.7%) -- guaranteed 2HKO

View Medicham-Mega counters →

Swampert-Mega

WaterGround SOFT CHECK View matchup

28.323

2.9

39.7% Standard error 9.19 points

DAMAGE CALC

252+ Atk Swampert-Mega Earthquake vs. 252 HP / 0 Def Slowbro: 184-217 (46.7 - 55%) -- 69.1% chance to 2HKO

View Swampert-Mega counters →

Landorus-Therian

GroundFlying SOFT CHECK View matchup

49.217

-5.5

14.6% Standard error 5.03 points

DAMAGE CALC

252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Slowbro: 299-352 (75.8 - 89.3%) -- guaranteed 2HKO

View Landorus-Therian counters → Teams with Landorus-Therian →

Tornadus-Therian

Flying SOFT CHECK View matchup

31.208

-10.6

14.8% Standard error 6.35 points

DAMAGE CALC

252+ SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Slowbro: 145-172 (36.8 - 43.6%) -- guaranteed 3HKO

View Tornadus-Therian counters → Teams with Tornadus-Therian →

Gliscor

GroundFlying SOFT CHECK View matchup

28.005

-12.7

10.9% Standard error 5.89 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 #44 with 3.66% usage. Sorted by conservative score.