Is Thundurus viable in Gen 9 UU?

Thundurus is ranked #30 in Gen 9 UU with 8.44% usage according to Smogon May 2026 - Jul 2026 data.

What beats Thundurus in Gen 9 UU?

Clodsire has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 70.1% of 25.191233737978795 relevant encounters. Standard error is 9.1 points. Sets and switch conditions can change the result.

How are Thundurus matchup checks ranked in Gen 9 UU?

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

Thundurus counters

Gen 9 UU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0642 Thundurus

ElectricFlying

USAGE 8.4% #30

ABILITYPrankster

BASE STATS

HP 79

ATK 115

DEF 70

SPA 125

SPD 80

SPE 111

BST580

TYPE MATCHUPS

2×

IceRock

½×

GrassFightingFlyingBugSteel

0×

Ground

Moves

Knock Off 64.2% Thunder Wave 48.1% Thunderbolt 47.6% Volt Switch 45.8% Focus Blast 37.4% Nasty Plot 28.5% Dark Pulse 27.5% U-turn 22.9%

Items

Heavy-Duty Boots 74.8% Leftovers 19.2% nothing 3.5% Sitrus Berry 1.3% Mirror Herb 0.6% Damp Rock 0.2% Terrain Extender 0.1% Life Orb 0.1%

Abilities

Prankster78.6%Defiant21.4%

Tera Types

Steel 43.7% Dark 36.1% Electric 9.6% Water 2.8% Psychic 2.1% Flying 1.6% Ghost 1.3% Poison 1.2%

Common Teammates

Leading observed checks

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

Team core to explore

Thundurus + Excadrill 26.0% 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

Clodsire

PoisonGround DEFENSIVE CHECK View matchup

25.191

33.7

70.1% Standard error 9.12 points

DAMAGE CALC

252+ Atk Thundurus Knock Off (97.5 BP) vs. 252 HP / 252+ Def Clodsire: 105-124 (22.6 - 26.7%) -- 29.4% chance to 4HKO

View Clodsire counters → Teams with Clodsire →

Skarmory

SteelFlying SOFT CHECK View matchup

28.812

-11.3

5.1% Standard error 4.10 points

DAMAGE CALC

252+ Atk Skarmory Brave Bird vs. 252 HP / 0 Def Thundurus: 104-123 (28.7 - 33.9%) -- 1.1% chance to 3HKO

View Skarmory counters → Teams with Skarmory →

Mandibuzz

DarkFlying SOFT CHECK View matchup

21.918

-12.2

24.7% Standard error 9.21 points

DAMAGE CALC

252+ Atk Mandibuzz Knock Off (97.5 BP) vs. 252 HP / 0 Def Thundurus: 150-177 (41.4 - 48.8%) -- guaranteed 3HKO

View Mandibuzz counters →

Ranked #30 with 8.44% usage. Sorted by conservative score.