Is Rotom-Wash viable in Gen 5 OU?

Rotom-Wash is ranked #13 in Gen 5 OU with 16.76% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Rotom-Wash in Gen 5 OU?

Latios has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 84.8% of 47.69653835211004 relevant encounters. Standard error is 5.2 points. Sets and switch conditions can change the result.

How are Rotom-Wash matchup checks ranked in Gen 5 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 5 OU · Smogon source period Jul 2026 - Sep 2026

#0479 Rotom-Wash

ElectricWater

USAGE 16.8% #13

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 99.7% Pain Split 76.9% Will-O-Wisp 63.1% Thunder Wave 13.2% Trick 13.1% Hidden Power Fire 12.9% Hidden Power Ice 8.2%

Items

Leftovers 80.5% Choice Scarf 11.4% Rocky Helmet 3.4% Chesto Berry 2.4% Choice Specs 1.7% Life Orb 0.4% Expert Belt 0.1% Custap Berry 0.1%

Abilities

Levitate100.0%

Common Teammates

Tyranitar72.1%

Landorus-Therian64.5%

Browse Gen 5 OU teams using Rotom-Wash →

Explore Rotom-Wash + Latios teams 64 score Explore Rotom-Wash + Ferrothorn teams 41 score Explore Rotom-Wash + Rotom-Wash teams -3 score Explore Rotom-Wash + Landorus-Therian teams -14 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 + Tyranitar 72.1% 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

Latios

DragonPsychic OFFENSIVE CHECK View matchup

47.697

63.9

84.8% Standard error 5.21 points

DAMAGE CALC

252+ SpA Choice Specs Latios Draco Meteor vs. 252 HP / 252+ SpD Rotom-Wash: 259-306 (85.1 - 100.6%) -- 6.3% chance to OHKO

View Latios counters → Teams with Latios →

Ferrothorn

GrassSteel DEFENSIVE CHECK View matchup

21.56

41.1

77.2% Standard error 9.03 points

DAMAGE CALC

252+ SpA Rotom-Wash Hidden Power Fire vs. 252 HP / 252+ SpD Ferrothorn: 188-224 (53.4 - 63.6%) -- guaranteed 2HKO after Leftovers recovery

View Ferrothorn counters → Teams with Ferrothorn →

Rotom-Wash

ElectricWater SOFT CHECK View matchup

21.27

-2.9

39.5% Standard error 10.60 points

DAMAGE CALC

252+ SpA Rotom-Wash Volt Switch vs. 252 HP / 252+ SpD Rotom-Wash: 75-88 (24.6 - 28.9%) -- possible 5HKO

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

Landorus-Therian

GroundFlying SOFT CHECK View matchup

21.549

-14.3

5.7% Standard error 5.01 points

DAMAGE CALC

252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Rotom-Wash: 306-360 (100.6 - 118.4%) -- guaranteed OHKO

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

Ranked #13 with 16.76% usage. Sorted by conservative score.