Is Tapu Koko viable in Gen 9 National Dex?

Tapu Koko is ranked #35 in Gen 9 National Dex with 5.68% usage according to Smogon May 2026 - Jul 2026 data.

What beats Tapu Koko in Gen 9 National Dex?

Clodsire has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 92.6% of 22.332116665995297 relevant encounters. Standard error is 5.5 points. Sets and switch conditions can change the result.

How are Tapu Koko matchup checks ranked in Gen 9 National Dex?

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

Tapu Koko counters

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

#0785 Tapu Koko

ElectricFairy

USAGE 5.7% #35

ABILITYElectric Surge

BASE STATS

HP 70

ATK 115

DEF 85

SPA 95

SPD 75

SPE 130

BST570

TYPE MATCHUPS

2×

PoisonGround

½×

ElectricFightingFlyingBugDark

0×

Dragon

Moves

Thunderbolt 81.4% U-turn 73.6% Dazzling Gleam 61.7% Hidden Power Ice 50.0% Volt Switch 41.5% Roost 28.3% Taunt 15.1% Light Screen 8.0%

Items

Choice Specs 28.7% Heavy-Duty Boots 17.9% Terrain Extender 16.4% Electrium Z 12.3% Choice Scarf 9.2% Light Clay 7.9% Fairium Z 3.7% Life Orb 1.0%

Abilities

Electric Surge100.0%Telepathy0.0%

Common Teammates

Iron Valiant30.8%

Alomomola30.6%

Iron Treads27.9%

Landorus-Therian27.0%

Leading observed checks

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

Team core to explore

Tapu Koko + Iron Valiant 30.8% 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

22.332

70.5

92.6% Standard error 5.53 points

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Hidden Power Ice vs. 252 HP / 252+ SpD Clodsire: 124-148 (26.7 - 31.8%) -- 31.6% chance to 4HKO after Black Sludge recovery

View Clodsire counters → Teams with Clodsire →

Iron Treads

GroundSteel DEFENSIVE CHECK View matchup

104.287

62.5

85.4% Standard error 5.72 points

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Hidden Power Ice vs. 252 HP / 252+ SpD Iron Treads: 79-93 (20.5 - 24.2%) -- possible 6HKO

View Iron Treads counters → Teams with Iron Treads →

Venusaur-Mega

GrassPoison DEFENSIVE CHECK View matchup

24.609

52.7

83.0% Standard error 7.57 points

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Venusaur-Mega in Electric Terrain: 80-95 (21.9 - 26%) -- 6% chance to 4HKO

View Venusaur-Mega counters →

Terapagos

Normal DEFENSIVE CHECK View matchup

88.619

48.5

78.5% Standard error 7.51 points

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Terapagos in Electric Terrain: 204-240 (53.1 - 62.5%) -- guaranteed 2HKO

View Terapagos counters → Teams with Terapagos →

Ursaluna

GroundNormal OFFENSIVE CHECK View matchup

20.496

46.2

80.9% Standard error 8.67 points

DAMAGE CALCElectric Terrain

252+ Atk Ursaluna Headlong Rush vs. 252 HP / 0 Def Tapu Koko: 522-614 (151.7 - 178.4%) -- guaranteed OHKO

View Ursaluna counters →

Ting-Lu

DarkGround DEFENSIVE CHECK View matchup

81.221

43.5

76.1% Standard error 8.16 points

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Dazzling Gleam vs. 252 HP / 252+ SpD Vessel of Ruin Ting-Lu: 218-258 (42.4 - 50.1%) -- guaranteed 3HKO after Leftovers recovery

View Ting-Lu counters → Teams with Ting-Lu →

Gliscor

GroundFlying DEFENSIVE CHECK View matchup

153.827

37.9

64.3% Standard error 6.61 points

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Hidden Power Ice vs. 252 HP / 252+ SpD Gliscor: 300-356 (84.7 - 100.5%) -- 6.3% chance to OHKO

View Gliscor counters → Teams with Gliscor →

Heatran

FireSteel OFFENSIVE CHECK View matchup

22.141

36.7

74.0% Standard error 9.33 points

DAMAGE CALCElectric Terrain

252+ SpA Heatran Eruption (150 BP) vs. 252 HP / 252+ SpD Tapu Koko: 232-274 (67.4 - 79.6%) -- guaranteed 2HKO

View Heatran counters → Teams with Heatran →

Dragonite

DragonFlying OFFENSIVE CHECK View matchup

84.594

33.3

67.4% Standard error 8.54 points

DAMAGE CALCElectric Terrain

252+ Atk Dragonite Earthquake vs. 252 HP / 0 Def Tapu Koko: 282-332 (81.9 - 96.5%) -- guaranteed 2HKO

View Dragonite counters → Teams with Dragonite →

Gholdengo

SteelGhost OFFENSIVE CHECK View matchup

124.57

30.3

59.4% Standard error 7.29 points

DAMAGE CALCElectric Terrain

252+ SpA Gholdengo Make It Rain vs. 252 HP / 252+ SpD Tapu Koko: 190-225 (55.2 - 65.4%) -- guaranteed 2HKO

View Gholdengo counters → Teams with Gholdengo →

Tapu Lele

PsychicFairy OFFENSIVE CHECK View matchup

100.409

30.1

63.0% Standard error 8.22 points

DAMAGE CALCPsychic Terrain

252+ SpA Tapu Lele Future Sight vs. 252 HP / 252+ SpD Tapu Koko in Psychic Terrain: 243-286 (70.6 - 83.1%) -- guaranteed 2HKO

View Tapu Lele counters → Teams with Tapu Lele →

Ferrothorn

GrassSteel DEFENSIVE CHECK View matchup

20.01

28.5

69.6% Standard error 10.28 points

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Ferrothorn in Electric Terrain: 82-97 (23.2 - 27.5%) -- possible 5HKO

View Ferrothorn counters → Teams with Ferrothorn →

Zamazenta

Fighting SOFT CHECK View matchup

180.589

28.0

53.5% Standard error 6.38 points

DAMAGE CALCElectric Terrain

252+ Atk Zamazenta Heavy Slam (120 BP) vs. 252 HP / 0 Def Tapu Koko: 156-184 (45.3 - 53.4%) -- 36.3% chance to 2HKO

View Zamazenta counters → Teams with Zamazenta →

Kingambit

DarkSteel DEFENSIVE CHECK View matchup

101.258

27.9

61.0% Standard error 8.29 points

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Kingambit in Electric Terrain: 204-240 (50.4 - 59.4%) -- guaranteed 2HKO

View Kingambit counters → Teams with Kingambit →

Garchomp

DragonGround OFFENSIVE CHECK View matchup

126.698

25.3

55.7% Standard error 7.60 points

DAMAGE CALCElectric Terrain

252+ Atk Garchomp Earthquake vs. 252 HP / 0 Def Tapu Koko: 410-486 (119.1 - 141.2%) -- guaranteed OHKO

View Garchomp counters → Teams with Garchomp →

Great Tusk

GroundFighting SOFT CHECK View matchup

130.147

24.3

54.3% Standard error 7.52 points

DAMAGE CALCElectric Terrain

252+ Atk Great Tusk Headlong Rush vs. 252 HP / 0 Def Tapu Koko: 498-588 (144.7 - 170.9%) -- guaranteed OHKO

View Great Tusk counters → Teams with Great Tusk →

Kyurem

DragonIce OFFENSIVE CHECK View matchup

25.911

21.6

60.1% Standard error 9.62 points

DAMAGE CALCElectric Terrain

252+ SpA Kyurem Earth Power vs. 252 HP / 252+ SpD Tapu Koko: 188-222 (54.6 - 64.5%) -- guaranteed 2HKO

View Kyurem counters → Teams with Kyurem →

Landorus-Therian

GroundFlying SOFT CHECK View matchup

157.885

18.5

45.7% Standard error 6.80 points

DAMAGE CALCElectric Terrain

252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Tapu Koko: 446-528 (129.6 - 153.4%) -- guaranteed OHKO

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

Raging Bolt

ElectricDragon SOFT CHECK View matchup

124.242

7.4

37.2% Standard error 7.43 points

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Raging Bolt Rising Voltage (140 BP) vs. 252 HP / 252+ SpD Tapu Koko in Electric Terrain: 220-259 (63.9 - 75.2%) -- guaranteed 2HKO

View Raging Bolt counters → Teams with Raging Bolt →

Diancie-Mega

RockFairy SOFT CHECK View matchup

56.343

6.1

42.9% Standard error 9.19 points

DAMAGE CALCElectric Terrain

252+ SpA Diancie-Mega Earth Power vs. 252 HP / 252+ SpD Tapu Koko: 218-258 (63.3 - 75%) -- guaranteed 2HKO

View Diancie-Mega counters → Teams with Diancie-Mega →

Slowking-Galar

PoisonPsychic SOFT CHECK View matchup

78.748

5.6

44.1% Standard error 9.63 points

DAMAGE CALCElectric Terrain

252+ SpA Slowking-Galar Sludge Bomb vs. 252 HP / 252+ SpD Tapu Koko: 248-294 (72 - 85.4%) -- guaranteed 2HKO

View Slowking-Galar counters → Teams with Slowking-Galar →

Ogerpon-Wellspring

GrassWater SOFT CHECK View matchup

97.462

4.1

37.6% Standard error 8.38 points

DAMAGE CALCElectric Terrain

252+ Atk Wellspring Mask Ogerpon-Wellspring Power Whip vs. 252 HP / 0 Def Tapu Koko: 280-330 (81.3 - 95.9%) -- guaranteed 2HKO

View Ogerpon-Wellspring counters → Teams with Ogerpon-Wellspring →

Iron Valiant

FairyFighting SOFT CHECK View matchup

45.702

3.5

45.0% Standard error 10.39 points

DAMAGE CALCElectric Terrain

252+ Atk Iron Valiant Spirit Break vs. 252 HP / 0 Def Tapu Koko: 154-183 (44.7 - 53.1%) -- 28.9% chance to 2HKO

View Iron Valiant counters → Teams with Iron Valiant →

Alomomola

Water SOFT CHECK View matchup

249.634

-2.4

11.7% Standard error 3.52 points

DAMAGE CALCElectric Terrain

252+ Atk Alomomola Flip Turn vs. 252 HP / 0 Def Tapu Koko: 85-102 (24.7 - 29.6%) -- 99.9% chance to 4HKO

View Alomomola counters → Teams with Alomomola →

Zapdos

ElectricFlying SOFT CHECK View matchup

115.7

-6.0

19.2% Standard error 6.29 points

DAMAGE CALCElectric Terrain

252+ SpA Zapdos Heat Wave vs. 252 HP / 252+ SpD Tapu Koko: 96-113 (27.9 - 32.8%) -- guaranteed 4HKO

View Zapdos counters → Teams with Zapdos →

Urshifu-Rapid-Strike

FightingWater SOFT CHECK View matchup

75.412

-6.2

28.5% Standard error 8.68 points

DAMAGE CALCElectric Terrain

252+ Atk Urshifu-Rapid-Strike Surging Strikes (3 hits) vs. 252 HP / 0 Def Tapu Koko on a critical hit: 237-282 (68.8 - 81.9%) -- guaranteed 2HKO

View Urshifu-Rapid-Strike counters → Teams with Urshifu-Rapid-Strike →

Toxapex

PoisonWater SOFT CHECK View matchup

94.717

-7.8

20.0% Standard error 6.96 points

DAMAGE CALCElectric Terrain

252+ SpA Toxapex Sludge Bomb vs. 252 HP / 252+ SpD Tapu Koko: 162-192 (47 - 55.8%) -- 74.2% chance to 2HKO

View Toxapex counters → Teams with Toxapex →

Tornadus-Therian

Flying SOFT CHECK View matchup

122.761

-8.2

12.2% Standard error 5.09 points

DAMAGE CALCElectric Terrain

252+ SpA Tornadus-Therian Heat Wave vs. 252 HP / 252+ SpD Tapu Koko: 88-104 (25.5 - 30.2%) -- guaranteed 4HKO

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

Sableye-Mega

DarkGhost SOFT CHECK View matchup

23.533

-9.5

2.0% Standard error 2.86 points

DAMAGE CALCElectric Terrain

252+ Atk Sableye-Mega Knock Off (97.5 BP) vs. 252 HP / 0 Def Tapu Koko: 75-88 (21.8 - 25.5%) -- 0.9% chance to 4HKO

View Sableye-Mega counters → Teams with Sableye-Mega →

Corviknight

FlyingSteel SOFT CHECK View matchup

100.92

-9.5

11.4% Standard error 5.22 points

DAMAGE CALCElectric Terrain

252+ Atk Corviknight Iron Head vs. 252 HP / 0 Def Tapu Koko: 126-148 (36.6 - 43%) -- guaranteed 3HKO

View Corviknight counters → Teams with Corviknight →

Ranked #35 with 5.68% usage. Sorted by conservative score.