Is Amoonguss viable in Gen 9 VGC 2026 Regulation F Best of 3?

Amoonguss is ranked #7 in Gen 9 VGC 2026 Regulation F Best of 3 with 25.25% usage according to Smogon Feb 2026 - Apr 2026 data.

What beats Amoonguss in Gen 9 VGC 2026 Regulation F Best of 3?

Tatsugiri has the strongest conservative score in this observed Feb 2026 - Apr 2026 sample. The target was knocked out or switched out in 82.8% of 27.16345260279442 relevant encounters. Standard error is 7.2 points. Sets and switch conditions can change the result.

How are Amoonguss matchup checks ranked in Gen 9 VGC 2026 Regulation F Best of 3?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Amoonguss was knocked out or switched out. This is not a set-specific battle guarantee.

Amoonguss counters

Gen 9 VGC 2026 Regulation F Best of 3 · Sorted by p − 4 standard errors · Smogon source period Feb 2026 - Apr 2026 · Generated 2026-05-27

#0591 Amoonguss

GrassPoison

USAGE 25.3% #7

ABILITYRegenerator

BASE STATS

HP 114

ATK 85

DEF 70

SPA 85

SPD 80

SPE 30

BST464

TYPE MATCHUPS

2×

FireIceFlyingPsychic

½×

WaterElectricFightingFairy

¼×

Grass

Moves

Spore 100.0% Rage Powder 100.0% Sludge Bomb 93.6% Protect 71.7% Pollen Puff 30.2% Grass Knot 2.4% Clear Smog 1.6% Leaf Storm 0.4%

Items

Rocky Helmet 62.2% Sitrus Berry 31.6% Mental Herb 5.2% Covert Cloak 0.5% Wiki Berry 0.3% Focus Sash 0.1% Occa Berry 0.0% Eject Button 0.0%

Abilities

Regenerator99.9%Effect Spore0.1%

Tera Types

Fairy 50.3% Water 31.0% Fire 14.9% Dark 1.8% Steel 1.3% Dragon 0.4% Ghost 0.3% Psychic 0.1%

Common Teammates

Incineroar78.8%

Urshifu-Rapid-Strike72.0%

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

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

Tatsugiri

DragonWater OFFENSIVE CHECK View matchup

27.163

53.9

82.8% Standard error 7.23 points

DAMAGE CALC

252+ SpA Tatsugiri Draco Meteor vs. 252 HP / 252+ SpD Amoonguss: 96-114 (43.4 - 51.5%) -- 6.6% chance to 2HKO

View Tatsugiri counters →

Ogerpon-Hearthflame

GrassFire OFFENSIVE CHECK View matchup

37.592

36.4

67.1% Standard error 7.66 points

DAMAGE CALC

252+ Atk Hearthflame Mask Ogerpon-Hearthflame Ivy Cudgel vs. 252 HP / 0 Def Amoonguss: 284-336 (128.5 - 152%) -- guaranteed OHKO

View Ogerpon-Hearthflame counters →

Urshifu-Rapid-Strike

FightingWater SOFT CHECK View matchup

111.357

27.1

46.0% Standard error 4.72 points

DAMAGE CALC

252+ Atk Mystic Water Urshifu-Rapid-Strike Surging Strikes (3 hits) vs. 252 HP / 0 Def Amoonguss on a critical hit: 87-102 (39.3 - 46.1%) -- guaranteed 3HKO

View Urshifu-Rapid-Strike counters →

Incineroar

FireDark SOFT CHECK View matchup

174.325

26.3

41.2% Standard error 3.73 points

DAMAGE CALC

252+ Atk Incineroar Flare Blitz vs. 252 HP / 0 Def Amoonguss: 276-326 (124.8 - 147.5%) -- guaranteed OHKO

View Incineroar counters →

Landorus

GroundFlying SOFT CHECK View matchup

48.375

24.8

53.5% Standard error 7.17 points

DAMAGE CALC

252+ SpA Life Orb Sheer Force Landorus Psychic vs. 252 HP / 252+ SpD Amoonguss: 146-172 (66 - 77.8%) -- guaranteed 2HKO

View Landorus counters →

Rillaboom

Grass SOFT CHECK View matchup

80.41

23.8

46.1% Standard error 5.56 points

DAMAGE CALCGrassy Terrain

252+ Atk Rillaboom High Horsepower vs. 252 HP / 0 Def Amoonguss: 78-92 (35.2 - 41.6%) -- 83.4% chance to 3HKO after Grassy Terrain recovery

View Rillaboom counters →

Ogerpon-Wellspring

GrassWater SOFT CHECK View matchup

43.102

21.9

52.4% Standard error 7.61 points

DAMAGE CALC

252+ Atk Wellspring Mask Ogerpon-Wellspring Ivy Cudgel vs. 252 HP / 0 Def Amoonguss: 71-84 (32.1 - 38%) -- 94% chance to 3HKO

View Ogerpon-Wellspring counters →

Ursaluna

GroundNormal SOFT CHECK View matchup

38.64

20.5

52.6% Standard error 8.03 points

DAMAGE CALC

252+ Atk Ursaluna Headlong Rush vs. 252 HP / 0 Def Amoonguss: 159-187 (71.9 - 84.6%) -- guaranteed 2HKO

View Ursaluna counters →

Flutter Mane

GhostFairy SOFT CHECK View matchup

63.485

19.5

44.4% Standard error 6.24 points

DAMAGE CALC

252+ SpA Flutter Mane Shadow Ball vs. 252 HP / 252+ SpD Amoonguss: 64-76 (28.9 - 34.3%) -- 3.1% chance to 3HKO

View Flutter Mane counters →

Amoonguss

GrassPoison SOFT CHECK View matchup

59.997

18.0

43.6% Standard error 6.40 points

DAMAGE CALC

252+ SpA Amoonguss Sludge Bomb vs. 252 HP / 252+ SpD Amoonguss: 52-63 (23.5 - 28.5%) -- 92.6% chance to 4HKO

View Amoonguss counters →

Chien-Pao

DarkIce SOFT CHECK View matchup

34.892

17.8

51.6% Standard error 8.46 points

DAMAGE CALC

252+ Atk Sword of Ruin Chien-Pao Icicle Crash vs. 252 HP / 0 Def Amoonguss: 270-320 (122.1 - 144.7%) -- guaranteed OHKO

View Chien-Pao counters →

Raging Bolt

ElectricDragon SOFT CHECK View matchup

46.325

14.9

44.1% Standard error 7.30 points

DAMAGE CALC

252+ SpA Raging Bolt Draco Meteor vs. 252 HP / 252+ SpD Amoonguss: 105-124 (47.5 - 56.1%) -- 81.6% chance to 2HKO

View Raging Bolt counters →

Tornadus

Flying SOFT CHECK View matchup

23.961

-2.7

36.7% Standard error 9.85 points

DAMAGE CALC

252+ SpA Tornadus Bleakwind Storm vs. 252 HP / 252+ SpD Amoonguss: 152-180 (68.7 - 81.4%) -- guaranteed 2HKO

View Tornadus counters →

Ranked #7 with 25.25% usage. Sorted by conservative score.