Is Greninja viable in Gen 7 OU?

Greninja is ranked #3 in Gen 7 OU with 33.08% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Greninja in Gen 7 OU?

Chansey has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 80.1% of 228.94891964415308 relevant encounters. Standard error is 2.6 points. Sets and switch conditions can change the result.

How are Greninja matchup checks ranked in Gen 7 OU?

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

Greninja counters

Gen 7 OU · Smogon source period Jul 2026 - Sep 2026

#0658 Greninja

WaterDark

USAGE 33.1% #3

ABILITYBattle Bond

BASE STATS

HP 72

ATK 95

DEF 67

SPA 103

SPD 71

SPE 122

BST530

TYPE MATCHUPS

2×

ElectricGrassFightingBugFairy

½×

FireWaterIceGhostDarkSteel

0×

Psychic

Moves

Hydro Pump 72.9% Dark Pulse 66.7% Water Shuriken 66.2% Spikes 62.0% Ice Beam 37.9% Surf 36.0% Hidden Power Fire 23.1% Gunk Shot 9.9%

Items

Choice Specs 49.0% Life Orb 19.5% Waterium Z 17.4% Choice Scarf 4.0% Groundium Z 2.9% Expert Belt 2.4% Fightinium Z 1.8% Focus Sash 1.5%

Abilities

Battle Bond66.7%Protean33.3%Torrent0.0%

Common Teammates

Landorus-Therian55.2%

Browse Gen 7 OU teams using Greninja →

Explore Greninja + Chansey teams 70 score Explore Greninja + Tapu Fini teams 52 score Explore Greninja + Toxapex teams 49 score Explore Greninja + Dragonite teams 46 score Explore Greninja + Kyurem-Black teams 44 score

Leading observed checks

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

Team core to explore

Greninja + Landorus-Therian 55.2% 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

Chansey

Normal DEFENSIVE CHECK View matchup

228.949

69.6

80.1% Standard error 2.64 points

DAMAGE CALC

0- Atk Greninja Gunk Shot vs. 252 HP / 0 Def Eviolite Chansey: 253-298 (35.9 - 42.3%) -- guaranteed 3HKO

View Chansey counters → Teams with Chansey →

Tapu Fini

WaterFairy DEFENSIVE CHECK View matchup

253.642

52.3

64.3% Standard error 3.01 points

DAMAGE CALCMisty Terrain

0- Atk Greninja Gunk Shot vs. 252 HP / 0 Def Tapu Fini: 132-156 (38.3 - 45.3%) -- guaranteed 3HKO after Leftovers recovery

View Tapu Fini counters → Teams with Tapu Fini →

Gastrodon

WaterGround DEFENSIVE CHECK View matchup

135.31

51.9

67.9% Standard error 4.01 points

DAMAGE CALC

252+ SpA Choice Specs Greninja Dark Pulse vs. 252 HP / 252+ SpD Gastrodon: 150-177 (35.2 - 41.5%) -- 77.1% chance to 3HKO after Leftovers recovery

View Gastrodon counters →

Toxapex

PoisonWater DEFENSIVE CHECK View matchup

407.152

48.9

58.7% Standard error 2.44 points

DAMAGE CALC

252+ SpA Choice Specs Greninja Dark Pulse vs. 252 HP / 252+ SpD Toxapex: 103-123 (33.8 - 40.4%) -- 38% chance to 3HKO after Black Sludge recovery

View Toxapex counters → Teams with Toxapex →

Dragonite

DragonFlying OFFENSIVE CHECK View matchup

48.117

46.2

72.1% Standard error 6.47 points

DAMAGE CALC

252+ Atk Dragonite Outrage vs. 252 HP / 0 Def Greninja: 306-360 (87.9 - 103.4%) -- 25% chance to OHKO

View Dragonite counters → Teams with Dragonite →

Kyurem-Black

DragonIce OFFENSIVE CHECK View matchup

130.273

43.7

60.8% Standard error 4.28 points

DAMAGE CALC

252+ Atk Kyurem-Black Fusion Bolt vs. 252 HP / 0 Def Greninja: 408-480 (117.2 - 137.9%) -- guaranteed OHKO

View Kyurem-Black counters → Teams with Kyurem-Black →

Swampert-Mega

WaterGround SOFT CHECK View matchup

182.252

39.5

54.3% Standard error 3.69 points

DAMAGE CALC

252+ Atk Swampert-Mega Superpower vs. 252 HP / 0 Def Greninja: 442-522 (127 - 150%) -- guaranteed OHKO

View Swampert-Mega counters →

Keldeo

WaterFighting OFFENSIVE CHECK View matchup

23.898

38.0

73.9% Standard error 8.98 points

DAMAGE CALC

252+ SpA Keldeo Secret Sword vs. 252 HP / 0 Def Greninja: 422-498 (121.2 - 143.1%) -- guaranteed OHKO

View Keldeo counters →

Tapu Bulu

GrassFairy OFFENSIVE CHECK View matchup

92.837

37.0

57.5% Standard error 5.13 points

DAMAGE CALCGrassy Terrain

252+ Atk Tapu Bulu Wood Hammer vs. 252 HP / 0 Def Greninja in Grassy Terrain: 896-1056 (257.4 - 303.4%) -- guaranteed OHKO

View Tapu Bulu counters → Teams with Tapu Bulu →

Alakazam-Mega

Psychic OFFENSIVE CHECK View matchup

61.882

36.3

61.1% Standard error 6.20 points

DAMAGE CALC

252+ SpA Alakazam-Mega Focus Blast vs. 252 HP / 252+ SpD Greninja: 320-378 (91.9 - 108.6%) -- 50% chance to OHKO

View Alakazam-Mega counters →

Clefable

Fairy SOFT CHECK View matchup

165.021

36.1

51.6% Standard error 3.89 points

DAMAGE CALC

252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Greninja: 246-290 (70.6 - 83.3%) -- guaranteed 2HKO

View Clefable counters → Teams with Clefable →

Magearna

SteelFairy SOFT CHECK View matchup

451.403

36.0

45.4% Standard error 2.34 points

DAMAGE CALC

252+ SpA Magearna Fleur Cannon vs. 252 HP / 252+ SpD Greninja: 416-492 (119.5 - 141.3%) -- guaranteed OHKO

View Magearna counters → Teams with Magearna →

Tapu Lele

PsychicFairy SOFT CHECK View matchup

118.512

35.7

54.1% Standard error 4.58 points

DAMAGE CALCPsychic Terrain

252+ SpA Choice Specs Tapu Lele Moonblast vs. 252 HP / 252+ SpD Greninja: 456-536 (131 - 154%) -- guaranteed OHKO

View Tapu Lele counters → Teams with Tapu Lele →

Lopunny-Mega

NormalFighting OFFENSIVE CHECK View matchup

41.361

35.5

65.1% Standard error 7.41 points

DAMAGE CALC

252+ Atk Lopunny-Mega High Jump Kick vs. 252 HP / 0 Def Greninja: 672-792 (193.1 - 227.5%) -- guaranteed OHKO

View Lopunny-Mega counters → Teams with Lopunny-Mega →

Greninja

WaterDark SOFT CHECK View matchup

425.738

35.3

44.9% Standard error 2.41 points

DAMAGE CALC

252+ SpA Choice Specs Greninja Hydro Pump vs. 252 HP / 252+ SpD Greninja: 112-132 (32.1 - 37.9%) -- 95.7% chance to 3HKO

View Greninja counters → Teams with Greninja →

Tangrowth

Grass SOFT CHECK View matchup

197.595

34.8

49.0% Standard error 3.56 points

DAMAGE CALC

0- SpA Tangrowth Energy Ball vs. 252 HP / 252+ SpD Greninja: 168-200 (48.2 - 57.4%) -- 93.8% chance to 2HKO

View Tangrowth counters →

Ferrothorn

GrassSteel SOFT CHECK View matchup

310.825

33.7

45.0% Standard error 2.82 points

DAMAGE CALC

252+ Atk Ferrothorn Power Whip vs. 252 HP / 0 Def Greninja: 476-564 (136.7 - 162%) -- guaranteed OHKO

View Ferrothorn counters → Teams with Ferrothorn →

Celesteela

SteelFlying SOFT CHECK View matchup

90.964

33.5

54.4% Standard error 5.22 points

DAMAGE CALC

252+ Atk Celesteela Explosion vs. 252 HP / 0 Def Greninja: 348-410 (100 - 117.8%) -- guaranteed OHKO

View Celesteela counters → Teams with Celesteela →

Tapu Koko

ElectricFairy SOFT CHECK View matchup

249.622

31.5

44.0% Standard error 3.14 points

DAMAGE CALCElectric Terrain

252+ SpA Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Greninja in Electric Terrain: 348-410 (100 - 117.8%) -- guaranteed OHKO

View Tapu Koko counters → Teams with Tapu Koko →

Ditto

Normal SOFT CHECK View matchup

62.692

28.7

53.9% Standard error 6.30 points

DAMAGE CALC

Ditto vs. Greninja: 0-0 (0 - 0%)

View Ditto counters → Teams with Ditto →

Serperior

Grass SOFT CHECK View matchup

92.2

22.9

43.5% Standard error 5.16 points

DAMAGE CALC

252+ SpA Serperior Leaf Storm vs. 252 HP / 252+ SpD Greninja: 288-342 (82.7 - 98.2%) -- guaranteed 2HKO

View Serperior counters → Teams with Serperior →

Kartana

GrassSteel SOFT CHECK View matchup

208.082

22.0

35.3% Standard error 3.31 points

DAMAGE CALC

252+ Atk Kartana Leaf Blade vs. 252 HP / 0 Def Greninja: 576-680 (165.5 - 195.4%) -- guaranteed OHKO

View Kartana counters → Teams with Kartana →

Medicham-Mega

FightingPsychic SOFT CHECK View matchup

257.802

20.5

32.1% Standard error 2.91 points

DAMAGE CALC

252+ Atk Pure Power Medicham-Mega High Jump Kick vs. 252 HP / 0 Def Greninja: 1076-1268 (309.1 - 364.3%) -- guaranteed OHKO

View Medicham-Mega counters →

Cresselia

Psychic SOFT CHECK View matchup

121.758

20.3

37.9% Standard error 4.40 points

DAMAGE CALC

252+ SpA Cresselia Ice Beam vs. 252 HP / 252+ SpD Greninja: 33-39 (9.4 - 11.2%) -- possible 9HKO

View Cresselia counters → Teams with Cresselia →

Charizard-Mega-Y

FireFlying SOFT CHECK View matchup

74.259

19.4

42.4% Standard error 5.73 points

DAMAGE CALCSun

252+ SpA Charizard-Mega-Y Solar Beam vs. 252 HP / 252+ SpD Greninja: 298-352 (85.6 - 101.1%) -- 12.5% chance to OHKO

View Charizard-Mega-Y counters →

Manaphy

Water SOFT CHECK View matchup

47.824

19.2

48.1% Standard error 7.22 points

DAMAGE CALC

252+ SpA Manaphy Energy Ball vs. 252 HP / 252+ SpD Greninja: 160-190 (45.9 - 54.5%) -- 59% chance to 2HKO

View Manaphy counters → Teams with Manaphy →

Kommo-o

DragonFighting DEFENSIVE CHECK View matchup

22.404

16.2

57.9% Standard error 10.43 points

DAMAGE CALC

252+ SpA Choice Specs Greninja Ice Beam vs. 252 HP / 252+ SpD Kommo-o: 192-226 (54.2 - 63.8%) -- guaranteed 2HKO

View Kommo-o counters → Teams with Kommo-o →

Latias-Mega

DragonPsychic SOFT CHECK View matchup

207.136

15.9

28.5% Standard error 3.14 points

DAMAGE CALC

252+ SpA Latias-Mega Thunder vs. 252 HP / 252+ SpD Greninja: 248-294 (71.2 - 84.4%) -- guaranteed 2HKO

View Latias-Mega counters →

Excadrill

GroundSteel SOFT CHECK View matchup

120.884

11.7

28.0% Standard error 4.09 points

DAMAGE CALC

252+ Atk Excadrill Earthquake vs. 252 HP / 0 Def Greninja: 256-303 (73.5 - 87%) -- guaranteed 2HKO

View Excadrill counters → Teams with Excadrill →

Heatran

FireSteel SOFT CHECK View matchup

259.989

10.9

21.0% Standard error 2.53 points

DAMAGE CALC

252+ SpA Heatran Earth Power vs. 252 HP / 252+ SpD Greninja: 96-114 (27.5 - 32.7%) -- guaranteed 4HKO

View Heatran counters → Teams with Heatran →

Ranked #3 with 33.08% usage. Sorted by conservative score.