Is Tapu Koko viable in Gen 9 National Dex?

Tapu Koko is ranked #35 in Gen 9 National Dex with 5.70% usage according to Smogon Mar 2026 - May 2026 data.

What beats Tapu Koko in Gen 9 National Dex?

The best counter for Tapu Koko in Gen 9 National Dex is Iron Treads with a 90.6% win rate when they meet. Based on Smogon's Mar 2026 - May 2026 usage data, the top Pokémon that beat Tapu Koko include Iron Treads, Ursaluna, Terapagos, Ting-Lu, Ferrothorn.

What is the best counter for Tapu Koko in Gen 9 National Dex?

Iron Treads is the best counter for Tapu Koko in Gen 9 National Dex, KOing or forcing it out in 90.6% of their encounters.

Tapu Koko counters

Gen 9 National Dex · Sorted by reliability score · Smogon · Mar 2026 - May 2026

#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 86.5% U-turn 71.8% Dazzling Gleam 62.0% Hidden Power Ice 57.8% Volt Switch 45.6% Roost 24.3% Taunt 11.4% Grass Knot 4.6%

Items

Choice Specs 27.4% Terrain Extender 21.3% Heavy-Duty Boots 14.1% Electrium Z 13.1% Choice Scarf 10.0% Light Clay 3.9% Fairium Z 3.4% Assault Vest 2.2%

Abilities

Electric Surge100.0%Telepathy0.0%

Common Teammates

Iron Valiant35.9%

Landorus-Therian31.3%

Browse Gen 9 National Dex teams using Tapu Koko →

Teams using Iron Treads 91% Teams using Ursaluna 81% Teams using Terapagos 76% Teams using Ting-Lu 74% Teams using Ferrothorn 70% Teams using Gholdengo 65%

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Iron Treads

GroundSteel DEFENSIVE COUNTER

37.807

90.6% dies 4.75%

DAMAGE CALCElectric Terrain

252+ SpA Choice Specs Tapu Koko Grass Knot (120 BP) vs. 252 HP / 252+ SpD Iron Treads: 156-184 (40.6 - 47.9%) -- guaranteed 3HKO after Leftovers recovery

View Iron Treads counters → Teams with Iron Treads →

Ursaluna

GroundNormal OFFENSIVE CHECK

20.496

80.9% dies 8.67%

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 → Teams with Ursaluna →

Terapagos

Normal DEFENSIVE COUNTER

31.516

76.5% dies 7.56%

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 →

Ting-Lu

DarkGround DEFENSIVE COUNTER

79.255

74.2% dies 8.42%

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 →

Ferrothorn

GrassSteel DEFENSIVE COUNTER

20.01

69.6% dies 10.28%

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 →

Gholdengo

SteelGhost OFFENSIVE CHECK

117.86

64.5% dies 7.45%

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 →

Kingambit

DarkSteel DEFENSIVE COUNTER

58.209

64.2% dies 8.83%

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 →

Gliscor

GroundFlying DEFENSIVE COUNTER

144.686

63.3% dies 6.84%

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 →

Dragonite

DragonFlying OFFENSIVE CHECK

46.399

62.7% dies 9.72%

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 →

Tapu Lele

PsychicFairy OFFENSIVE CHECK

100.988

58.2% dies 8.46%

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 →

Zamazenta

Fighting SOFT CHECK

142.497

54.2% dies 7.12%

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 →

Garchomp

DragonGround SOFT CHECK

104.245

50.0% dies 8.26%

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

91.676

49.8% dies 8.99%

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 →

Iron Valiant

FairyFighting SOFT CHECK

21.656

48.3% dies 10.74%

DAMAGE CALCElectric Terrain

252+ SpA Iron Valiant Moonblast vs. 252 HP / 252+ SpD Tapu Koko: 139-165 (40.4 - 47.9%) -- guaranteed 3HKO

View Iron Valiant counters → Teams with Iron Valiant →

Raging Bolt

ElectricDragon SOFT CHECK

76.697

45.5% dies 7.88%

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 →

Landorus-Therian

GroundFlying SOFT CHECK

154.681

39.3% dies 6.77%

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 →

Slowking-Galar

PoisonPsychic SOFT CHECK

80.3

38.7% dies 9.36%

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

75.135

37.4% dies 9.57%

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 →

Diancie-Mega

RockFairy SOFT CHECK

22.742

35.7% dies 10.04%

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 →

Urshifu-Rapid-Strike

FightingWater SOFT CHECK

52.969

22.8% dies 8.12%

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 →

Zapdos

ElectricFlying SOFT CHECK

118.138

20.5% dies 6.38%

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 →

Toxapex

PoisonWater SOFT CHECK

76.746

18.6% dies 7.54%

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 →

Charizard-Mega-Y

FireFlying SOFT CHECK

21.933

12.9% dies 7.16%

DAMAGE CALCSun

252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Tapu Koko in Sun: 352-415 (102.3 - 120.6%) -- guaranteed OHKO

View Charizard-Mega-Y counters → Teams with Charizard-Mega-Y →

Alomomola

Water SOFT CHECK

212.768

12.8% dies 3.93%

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 →

Tornadus-Therian

Flying SOFT CHECK

98.127

12.0% dies 5.65%

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 →

Corviknight

FlyingSteel SOFT CHECK

84.953

6.9% dies 4.65%

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 5.70% usage. Sorted by reliability score.