Is Rotom-Wash viable in Gen 7 OU?

Rotom-Wash is ranked #37 in Gen 7 OU with 5.95% usage according to Smogon Apr 2026 - Jun 2026 data.

What beats Rotom-Wash in Gen 7 OU?

The best counter for Rotom-Wash in Gen 7 OU is Ferrothorn with a 91.1% win rate when they meet. Based on Smogon's Apr 2026 - Jun 2026 usage data, the top Pokémon that beat Rotom-Wash include Ferrothorn, Medicham-Mega, Kartana, Toxapex, Gastrodon.

What is the best counter for Rotom-Wash in Gen 7 OU?

Ferrothorn is the best counter for Rotom-Wash in Gen 7 OU, KOing or forcing it out in 91.1% of their encounters.

Rotom-Wash counters

Gen 7 OU · Sorted by reliability score · Smogon · Apr 2026 - Jun 2026

#0479 Rotom-Wash

ElectricWater

USAGE 5.9% #37

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 99.7% Hydro Pump 99.7% Defog 67.4% Will-O-Wisp 63.0% Pain Split 31.4% Thunder Wave 17.7% Toxic 8.7% Thunder 5.8%

Items

Wiki Berry 27.4% Leftovers 21.0% Iapapa Berry 20.5% Waterium Z 15.2% Electrium Z 5.9% Choice Scarf 4.2% Aguav Berry 3.9% Mago Berry 1.2%

Common Teammates

Landorus-Therian69.1%

Browse Gen 7 OU teams using Rotom-Wash →

Teams using Ferrothorn 91% Teams using Kartana 84% Teams using Toxapex 70% Teams using Tapu Koko 62%

Checks & Counters

Ranked by reliability — blends KO rate with how often each Pokémon is matched up.

# Checker Encounters Reliability KO Rate

Ferrothorn

GrassSteel DEFENSIVE COUNTER

57.703

91.1% dies 5.24%

DAMAGE CALC

252+ SpA Rotom-Wash Hydro Pump vs. 252 HP / 252+ SpD Ferrothorn: 55-66 (15.6 - 18.7%) -- possible 8HKO

View Ferrothorn counters → Teams with Ferrothorn →

Medicham-Mega

FightingPsychic OFFENSIVE CHECK

30.915

87.4% dies 5.98%

DAMAGE CALC

252+ Atk Pure Power Medicham-Mega High Jump Kick vs. 252 HP / 0 Def Rotom-Wash: 366-432 (120.3 - 142.1%) -- guaranteed OHKO

View Medicham-Mega counters → Teams with Medicham-Mega →

Kartana

GrassSteel OFFENSIVE CHECK

24.141

84.1% dies 7.43%

DAMAGE CALC

252+ Atk Kartana Leaf Blade vs. 252 HP / 0 Def Rotom-Wash: 392-464 (128.9 - 152.6%) -- guaranteed OHKO

View Kartana counters → Teams with Kartana →

Toxapex

PoisonWater DEFENSIVE COUNTER

137.477

69.6% dies 6.78%

DAMAGE CALC

252+ SpA Rotom-Wash Thunder vs. 252 HP / 252+ SpD Toxapex: 192-228 (63.1 - 75%) -- guaranteed 2HKO after Black Sludge recovery

View Toxapex counters → Teams with Toxapex →

Gastrodon

WaterGround DEFENSIVE COUNTER

37.874

63.7% dies 7.81%

Tapu Koko

ElectricFairy OFFENSIVE CHECK

28.217

62.1% dies 9.13%

DAMAGE CALCElectric Terrain

252+ SpA Life Orb Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Rotom-Wash in Electric Terrain: 175-207 (57.5 - 68%) -- guaranteed 2HKO

View Tapu Koko counters → Teams with Tapu Koko →

Magearna

SteelFairy SOFT CHECK

54.661

51.2% dies 9.50%

DAMAGE CALC

252+ SpA Magearna Fleur Cannon vs. 252 HP / 252+ SpD Rotom-Wash: 160-190 (52.6 - 62.5%) -- guaranteed 2HKO

View Magearna counters → Teams with Magearna →

Greninja

WaterDark SOFT CHECK

105.471

51.1% dies 8.39%

DAMAGE CALC

252+ SpA Choice Specs Greninja Dark Pulse vs. 252 HP / 252+ SpD Rotom-Wash: 127-150 (41.7 - 49.3%) -- guaranteed 3HKO

View Greninja counters → Teams with Greninja →

Tapu Fini

WaterFairy SOFT CHECK

46.408

50.7% dies 10.35%

DAMAGE CALCMisty Terrain

Tapu Fini Nature's Madness vs. 252 HP Rotom-Wash: 152-152 (50 - 50%) -- guaranteed 2HKO

View Tapu Fini counters → Teams with Tapu Fini →

Clefable

Fairy SOFT CHECK

22.693

47.2% dies 10.48%

DAMAGE CALC

252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Rotom-Wash: 94-112 (30.9 - 36.8%) -- 74.7% chance to 3HKO

View Clefable counters → Teams with Clefable →

Celesteela

SteelFlying SOFT CHECK

23.518

46.9% dies 10.29%

DAMAGE CALC

0- SpA Celesteela Energy Ball vs. 252 HP / 252+ SpD Rotom-Wash: 86-102 (28.2 - 33.5%) -- 0.1% chance to 3HKO

View Celesteela counters → Teams with Celesteela →

Swampert-Mega

WaterGround SOFT CHECK

48.635

42.8% dies 9.97%

DAMAGE CALC

252+ Atk Swampert-Mega Superpower vs. 252 HP / 0 Def Rotom-Wash: 151-178 (49.6 - 58.5%) -- 99.6% chance to 2HKO

View Swampert-Mega counters → Teams with Swampert-Mega →

Tornadus-Therian

Flying SOFT CHECK

59.083

34.1% dies 8.71%

DAMAGE CALC

252+ SpA Tornadus-Therian Focus Blast vs. 252 HP / 252+ SpD Rotom-Wash: 88-104 (28.9 - 34.2%) -- 1.9% chance to 3HKO

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

Heatran

FireSteel SOFT CHECK

82.208

29.3% dies 8.66%

DAMAGE CALC

252+ SpA Heatran Magma Storm vs. 252 HP / 252+ SpD Rotom-Wash: 62-73 (20.3 - 24%) -- 98.9% chance to 3HKO after trapping damage

View Heatran counters → Teams with Heatran →

Excadrill

GroundSteel SOFT CHECK

21.927

21.4% dies 8.76%

DAMAGE CALC

252+ Atk Excadrill Rock Slide vs. 252 HP / 0 Def Rotom-Wash: 88-104 (28.9 - 34.2%) -- 1.9% chance to 3HKO

View Excadrill counters → Teams with Excadrill →

Gliscor

GroundFlying SOFT CHECK

25.53

13.2% dies 6.70%

DAMAGE CALC

252+ Atk Gliscor Knock Off (97.5 BP) vs. 252 HP / 0 Def Rotom-Wash: 89-105 (29.2 - 34.5%) -- 4.8% chance to 3HKO

View Gliscor counters → Teams with Gliscor →

Landorus-Therian

GroundFlying SOFT CHECK

181.618

11.1% dies 3.86%

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 →

Skarmory

SteelFlying SOFT CHECK

34.932

1.3% dies 1.89%

DAMAGE CALC

252+ Atk Skarmory Brave Bird vs. 252 HP / 0 Def Rotom-Wash: 73-87 (24 - 28.6%) -- 97.4% chance to 4HKO

View Skarmory counters → Teams with Skarmory →

Ranked #37 with 5.95% usage. Sorted by reliability score.