Is Slowbro viable in Gen 7 OU?

Slowbro is ranked #54 in Gen 7 OU with 2.88% usage according to Smogon May 2026 - Jul 2026 data.

What beats Slowbro in Gen 7 OU?

Greninja has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 69.9% of 55.636254007384686 relevant encounters. Standard error is 8.7 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 · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0080 Slowbro

WaterPsychic

USAGE 2.9% #54

ABILITYRegenerator

BASE STATS

HP 95

ATK 75

DEF 110

SPA 100

SPD 80

SPE 30

BST490

TYPE MATCHUPS

2×

ElectricGrassBugGhostDark

½×

FireWaterIceFightingPsychicSteel

Moves

Scald 99.0% Slack Off 97.7% Future Sight 38.5% Ice Beam 36.6% Thunder Wave 33.3% Toxic 32.7% Protect 20.6% Flamethrower 11.0%

Items

Leftovers 46.7% Psychium Z 24.5% Rocky Helmet 13.5% Iapapa Berry 8.2% Colbur Berry 3.4% Icium Z 1.3% Waterium Z 0.6% Electrium Z 0.4%

Abilities

Regenerator99.2%Oblivious0.8%Own Tempo0.0%

Common Teammates

Tornadus-Therian43.8%

Browse Gen 7 OU teams using Slowbro →

Explore Slowbro + Greninja teams 35 score Explore Slowbro + Chansey teams 34 score Explore Slowbro + Toxapex teams 7 score Explore Slowbro + Magearna teams -3 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 + Tornadus-Therian 43.8% 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

55.636

35.2

69.9% Standard error 8.67 points

DAMAGE CALC

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

View Greninja counters → Teams with Greninja →

Chansey

Normal DEFENSIVE CHECK View matchup

20.25

33.8

73.2% Standard error 9.84 points

DAMAGE CALC

252+ SpA Slowbro Future Sight vs. 252 HP / 252+ SpD Eviolite Chansey: 84-100 (11.9 - 14.2%) -- possible 8HKO

View Chansey counters → Teams with Chansey →

Toxapex

PoisonWater SOFT CHECK View matchup

87.851

6.9

35.0% Standard error 7.03 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 →

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%) -- 14.1% chance to 2HKO after Leftovers recovery

View Swampert-Mega counters →

Medicham-Mega

FightingPsychic SOFT CHECK View matchup

23.67

2.2

42.9% Standard error 10.17 points

DAMAGE CALC

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

View Medicham-Mega counters →

Magearna

SteelFairy SOFT CHECK View matchup

28.537

-3.4

31.3% Standard error 8.68 points

DAMAGE CALC

252+ SpA Magearna Fleur Cannon vs. 252 HP / 252+ SpD Slowbro: 195-229 (49.4 - 58.1%) -- 64.5% chance to 2HKO after Leftovers recovery

View Magearna counters → Teams with Magearna →

Tornadus-Therian

Flying SOFT CHECK View matchup

59.017

-9.9

18.4% Standard error 7.09 points

DAMAGE CALC

252+ SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Slowbro: 145-172 (36.8 - 43.6%) -- 99.7% chance to 3HKO after Leftovers recovery

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

Landorus-Therian

GroundFlying SOFT CHECK View matchup

52.348

-12.2

12.7% Standard error 6.23 points

DAMAGE CALC

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

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

Gliscor

GroundFlying SOFT CHECK View matchup

23.06

-14.7

8.4% Standard error 5.78 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 #54 with 2.88% usage. Sorted by conservative score.