Is Keldeo viable in Gen 9 UU?

Keldeo is ranked #7 in Gen 9 UU with 17.57% usage according to Smogon May 2026 - Jul 2026 data.

What beats Keldeo in Gen 9 UU?

Latios has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 61.6% of 163.2581468362755 relevant encounters. Standard error is 6.6 points. Sets and switch conditions can change the result.

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

Keldeo counters

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

#0647 Keldeo

WaterFighting

USAGE 17.6% #7

BASE STATS

HP 91

ATK 72

DEF 90

SPA 129

SPD 90

SPE 108

BST580

TYPE MATCHUPS

2×

ElectricGrassFlyingPsychicFairy

½×

FireWaterIceBugRockDarkSteel

Moves

Surf 94.8% Secret Sword 72.2% Vacuum Wave 57.0% Flip Turn 51.0% Icy Wind 39.3% Calm Mind 34.5% Substitute 17.0% Pain Split 13.8%

Items

Leftovers 35.6% Choice Specs 25.6% Rocky Helmet 13.1% Choice Scarf 11.2% Heavy-Duty Boots 7.8% Life Orb 6.0% Mystic Water 0.2% Chesto Berry 0.1%

Tera Types

Steel 50.5% Water 29.8% Fighting 12.5% Ghost 1.9% Grass 1.3% Fairy 0.9% Electric 0.9% Ice 0.8%

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

Keldeo + Excadrill 28.9% 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

163.258

35.3

61.6% Standard error 6.58 points

DAMAGE CALC

252+ SpA Soul Dew Latios Luster Purge vs. 252 HP / 252+ SpD Keldeo: 318-374 (82.3 - 96.8%) -- guaranteed 2HKO after Leftovers recovery

View Latios counters →

Toxapex

PoisonWater SOFT CHECK View matchup

28.878

17.8

54.8% Standard error 9.26 points

DAMAGE CALC

252+ SpA Toxapex Surf vs. 252 HP / 252+ SpD Keldeo: 36-42 (9.3 - 10.8%)

View Toxapex counters →

Slither Wing

BugFighting SOFT CHECK View matchup

48.416

12.7

53.2% Standard error 10.13 points

DAMAGE CALC

252+ Atk Slither Wing Close Combat vs. 252 HP / 0 Def Keldeo: 243-286 (62.9 - 74%) -- guaranteed 2HKO after Leftovers recovery

View Slither Wing counters → Teams with Slither Wing →

Manaphy

Water SOFT CHECK View matchup

46.671

7.2

48.1% Standard error 10.22 points

DAMAGE CALC

252+ SpA Manaphy Energy Ball vs. 252 HP / 252+ SpD Keldeo: 140-166 (36.2 - 43%) -- 97.1% chance to 3HKO after Leftovers recovery

View Manaphy counters →

Hydrapple

GrassDragon SOFT CHECK View matchup

88.77

3.0

38.5% Standard error 8.88 points

DAMAGE CALC

252+ SpA Hydrapple Leaf Storm vs. 252 HP / 252+ SpD Keldeo: 338-402 (87.5 - 104.1%) -- 25% chance to OHKO

View Hydrapple counters →

Lokix

BugDark SOFT CHECK View matchup

83.961

2.5

39.4% Standard error 9.21 points

DAMAGE CALC

252+ Atk Choice Band Tinted Lens Lokix Knock Off (97.5 BP) vs. 252 HP / 0 Def Keldeo: 240-284 (62.1 - 73.5%) -- guaranteed 2HKO

View Lokix counters →

Slowking

WaterPsychic SOFT CHECK View matchup

81.707

-5.0

29.5% Standard error 8.63 points

DAMAGE CALC

252+ SpA Slowking Future Sight vs. 252 HP / 252+ SpD Keldeo: 278-330 (72 - 85.4%) -- guaranteed 2HKO after Leftovers recovery

View Slowking counters →

Excadrill

GroundSteel SOFT CHECK View matchup

53.497

-8.9

23.4% Standard error 8.08 points

DAMAGE CALC

252+ Atk Excadrill Earthquake vs. 252 HP / 0 Def Keldeo: 202-238 (52.3 - 61.6%) -- 97.7% chance to 2HKO after Leftovers recovery

View Excadrill counters → Teams with Excadrill →

Weavile

DarkIce SOFT CHECK View matchup

47.336

-9.6

26.8% Standard error 9.09 points

DAMAGE CALC

252+ Atk Weavile Triple Axel (120 BP) (3 hits) vs. 252 HP / 0 Def Keldeo: 110-132 (28.4 - 34.1%) -- 99.9% chance to 4HKO after Leftovers recovery

View Weavile counters → Teams with Weavile →

Arcanine-Hisui

FireRock SOFT CHECK View matchup

43.052

-12.3

24.9% Standard error 9.30 points

DAMAGE CALC

252+ Atk Choice Band Arcanine-Hisui Psychic Fangs vs. 252 HP / 0 Def Keldeo: 306-360 (79.2 - 93.2%) -- guaranteed 2HKO after Leftovers recovery

View Arcanine-Hisui counters →

Mandibuzz

DarkFlying SOFT CHECK View matchup

66.441

-13.7

20.7% Standard error 8.60 points

DAMAGE CALC

252+ Atk Mandibuzz Knock Off (97.5 BP) vs. 252 HP / 0 Def Keldeo: 60-72 (15.5 - 18.6%) -- possible 6HKO

View Mandibuzz counters →

Heatran

FireSteel SOFT CHECK View matchup

22.802

-14.9

15.0% Standard error 7.48 points

DAMAGE CALC

252+ SpA Heatran Earth Power vs. 252 HP / 252+ SpD Keldeo: 84-99 (21.7 - 25.6%) -- possible 5HKO

View Heatran counters →

Skarmory

SteelFlying SOFT CHECK View matchup

21.11

-15.3

7.1% Standard error 5.59 points

DAMAGE CALC

252+ Atk Skarmory Brave Bird vs. 252 HP / 0 Def Keldeo: 338-402 (87.5 - 104.1%) -- 25% chance to OHKO

View Skarmory counters → Teams with Skarmory →

Ranked #7 with 17.57% usage. Sorted by conservative score.