Is Rotom-Wash viable in Gen 6 OU?

Rotom-Wash is ranked #11 in Gen 6 OU with 16.04% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Rotom-Wash in Gen 6 OU?

Serperior has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 86.2% of 32.85798686015654 relevant encounters. Standard error is 6.0 points. Sets and switch conditions can change the result.

How are Rotom-Wash 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 Rotom-Wash was knocked out or switched out. This is not a set-specific battle guarantee.

Rotom-Wash counters

Gen 6 OU · Smogon source period Jul 2026 - Sep 2026

#0479 Rotom-Wash

ElectricWater

USAGE 16.0% #11

ABILITYLevitate

BASE STATS

HP 50

ATK 65

DEF 107

SPA 105

SPD 107

SPE 86

BST520

TYPE MATCHUPS

2×

GrassGround

½×

FireWaterIceFlying

¼×

Steel

Moves

Volt Switch 99.9% Hydro Pump 99.4% Pain Split 82.3% Will-O-Wisp 81.2% Thunder Wave 15.3% Trick 12.9% Hidden Power Grass 5.8% Toxic 0.7%

Items

Leftovers 86.3% Choice Scarf 12.7% Rocky Helmet 0.4% Choice Specs 0.4% Chesto Berry 0.1% Life Orb 0.1% Sitrus Berry 0.0% Wide Lens 0.0%

Abilities

Levitate100.0%

Common Teammates

Clefable45.4%

Landorus-Therian43.8%

Excadrill33.9%

Tornadus-Therian33.6%

Browse Gen 6 OU teams using Rotom-Wash →

Explore Rotom-Wash + Serperior teams 62 score Explore Rotom-Wash + Clefable teams 60 score Explore Rotom-Wash + Keldeo teams 34 score Explore Rotom-Wash + Excadrill teams 26 score Explore Rotom-Wash + Gastrodon teams 14 score Explore Rotom-Wash + Garchomp teams 5 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

Rotom-Wash + Clefable 45.4% 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

Serperior

Grass DEFENSIVE CHECK View matchup

32.858

62.2

86.2% Standard error 6.01 points

DAMAGE CALC

252+ SpA Rotom-Wash Hydro Pump vs. 252 HP / 252+ SpD Serperior: 63-75 (17.7 - 21.1%) -- possible 5HKO

View Serperior counters → Teams with Serperior →

Clefable

Fairy DEFENSIVE CHECK View matchup

112.23

60.1

76.2% Standard error 4.02 points

DAMAGE CALC

252+ SpA Rotom-Wash Hydro Pump vs. 252 HP / 252+ SpD Clefable: 132-156 (33.5 - 39.5%) -- 17.3% chance to 3HKO after Leftovers recovery

View Clefable counters → Teams with Clefable →

Keldeo

WaterFighting OFFENSIVE CHECK View matchup

22.306

33.5

71.7% Standard error 9.54 points

DAMAGE CALC

252+ SpA Choice Specs Keldeo Focus Blast vs. 252 HP / 252+ SpD Rotom-Wash: 220-261 (72.3 - 85.8%) -- guaranteed 2HKO after Leftovers recovery

View Keldeo counters → Teams with Keldeo →

Excadrill

GroundSteel SOFT CHECK View matchup

115.616

25.7

44.2% Standard error 4.62 points

DAMAGE CALC

252+ Atk Mold Breaker Excadrill Earthquake vs. 252 HP / 0 Def Rotom-Wash: 350-414 (115.1 - 136.1%) -- guaranteed OHKO

View Excadrill counters → Teams with Excadrill →

Gastrodon

WaterGround DEFENSIVE CHECK View matchup

21.338

14.4

57.2% Standard error 10.71 points

DAMAGE CALC

252+ SpA Rotom-Wash Hidden Power Grass vs. 252 HP / 252+ SpD Gastrodon: 204-244 (47.8 - 57.2%) -- 44.1% chance to 2HKO after Leftovers recovery

View Gastrodon counters → Teams with Gastrodon →

Garchomp

DragonGround SOFT CHECK View matchup

25.517

5.4

44.8% Standard error 9.84 points

DAMAGE CALC

252+ Atk Garchomp Outrage vs. 252 HP / 0 Def Rotom-Wash: 204-240 (67.1 - 78.9%) -- guaranteed 2HKO after Leftovers recovery

View Garchomp counters → Teams with Garchomp →

Volcanion

FireWater SOFT CHECK View matchup

25.173

0.6

39.5% Standard error 9.74 points

DAMAGE CALC

252+ SpA Volcanion Hidden Power Grass vs. 252 HP / 252+ SpD Rotom-Wash: 100-118 (32.8 - 38.8%) -- 4.8% chance to 3HKO after Leftovers recovery

View Volcanion counters → Teams with Volcanion →

Heatran

FireSteel SOFT CHECK View matchup

22.515

-5.2

35.0% Standard error 10.05 points

DAMAGE CALC

252+ SpA Heatran Magma Storm vs. 252 HP / 252+ SpD Rotom-Wash: 62-73 (20.3 - 24%) -- guaranteed 4HKO after Leftovers recovery and trapping damage

View Heatran counters → Teams with Heatran →

Skarmory

SteelFlying SOFT CHECK View matchup

22.099

-8.0

1.2% Standard error 2.30 points

DAMAGE CALC

252+ Atk Skarmory Brave Bird vs. 252 HP / 0 Def Rotom-Wash: 73-87 (24 - 28.6%) -- possible 5HKO

View Skarmory counters → Teams with Skarmory →

Slowbro

WaterPsychic SOFT CHECK View matchup

22.01

-8.4

31.1% Standard error 9.86 points

DAMAGE CALC

252+ SpA Slowbro Future Sight vs. 252 HP / 252+ SpD Rotom-Wash: 124-147 (40.7 - 48.3%) -- guaranteed 3HKO after Leftovers recovery

View Slowbro counters → Teams with Slowbro →

Ranked #11 with 16.04% usage. Sorted by conservative score.