Is Swampert viable in Gen 3 OU?

Swampert is ranked #2 in Gen 3 OU with 43.55% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Swampert in Gen 3 OU?

Celebi has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 76.5% of 109.32957902091331 relevant encounters. Standard error is 4.1 points. Sets and switch conditions can change the result.

How are Swampert matchup checks ranked in Gen 3 OU?

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

Swampert counters

Gen 3 OU · Smogon source period Jul 2026 - Sep 2026

#0260 Swampert

WaterGround

USAGE 43.5% #2

ABILITYTorrent

BASE STATS

HP 100

ATK 110

DEF 90

SPA 85

SPD 90

SPE 60

BST535

TYPE MATCHUPS

4×

Grass

½×

FirePoisonRockSteel

0×

Electric

Moves

Hydro Pump 50.7% Ice Beam 50.0% Earthquake 49.7% Surf 42.8% Protect 40.1% Roar 35.7% Toxic 34.7% Curse 21.4%

Items

Leftovers 82.0% Salac Berry 17.9% Choice Band 0.1% Lum Berry 0.0% Mystic Water 0.0% Petaya Berry 0.0% Chesto Berry 0.0%

Abilities

Torrent100.0%

Common Teammates

Browse Gen 3 OU teams using Swampert →

Explore Swampert + Celebi teams 60 score Explore Swampert + Suicune teams 47 score Explore Swampert + Zapdos teams 41 score Explore Swampert + Gengar teams 39 score Explore Swampert + Skarmory teams 37 score Explore Swampert + Starmie teams 30 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

Swampert + Tyranitar 90.9% 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

Celebi

PsychicGrass DEFENSIVE CHECK View matchup

109.33

60.3

76.5% Standard error 4.05 points

DAMAGE CALC

252+ SpA Swampert Ice Beam vs. 252 HP / 252+ SpD Celebi: 124-146 (30.6 - 36.1%) -- guaranteed 4HKO after Leftovers recovery

View Celebi counters → Teams with Celebi →

Suicune

Water DEFENSIVE CHECK View matchup

68.312

47.3

69.6% Standard error 5.57 points

DAMAGE CALC

0- Atk Swampert Earthquake vs. 252 HP / 0 Def Suicune: 94-111 (23.2 - 27.4%) -- possible 5HKO

View Suicune counters → Teams with Suicune →

Zapdos

ElectricFlying OFFENSIVE CHECK View matchup

119.419

41.4

59.4% Standard error 4.49 points

DAMAGE CALC

252+ SpA Zapdos Hidden Power Grass vs. 252 HP / 252+ SpD Swampert: 255-300 (63.1 - 74.2%) -- guaranteed 2HKO after Leftovers recovery

View Zapdos counters → Teams with Zapdos →

Gengar

GhostPoison OFFENSIVE CHECK View matchup

79.302

39.1

61.0% Standard error 5.48 points

DAMAGE CALC

252+ SpA Gengar Hidden Power Grass vs. 252 HP / 252+ SpD Swampert: 261-308 (64.6 - 76.2%) -- guaranteed 2HKO after Leftovers recovery

View Gengar counters → Teams with Gengar →

Skarmory

SteelFlying SOFT CHECK View matchup

163.69

37.1

52.7% Standard error 3.90 points

DAMAGE CALC

252+ Atk Skarmory Drill Peck vs. 252 HP / 0 Def Swampert: 114-135 (28.2 - 33.4%) -- 93.4% chance to 4HKO after Leftovers recovery

View Skarmory counters → Teams with Skarmory →

Starmie

WaterPsychic SOFT CHECK View matchup

75.508

30.4

53.3% Standard error 5.74 points

DAMAGE CALC

252+ SpA Starmie Hydro Pump vs. 252 HP / 252+ SpD Swampert: 139-164 (34.4 - 40.5%) -- 50.3% chance to 3HKO after Leftovers recovery

View Starmie counters → Teams with Starmie →

Swampert

WaterGround SOFT CHECK View matchup

143.104

30.3

47.0% Standard error 4.17 points

DAMAGE CALC

252+ SpA Swampert Hydro Pump vs. 252 HP / 252+ SpD Swampert: 125-148 (30.9 - 36.6%) -- guaranteed 4HKO after Leftovers recovery

View Swampert counters → Teams with Swampert →

Jirachi

SteelPsychic SOFT CHECK View matchup

64.66

24.3

49.1% Standard error 6.22 points

DAMAGE CALC

0- SpA Jirachi Hidden Power Grass vs. 252 HP / 252+ SpD Swampert: 142-168 (35.1 - 41.5%) -- 78.8% chance to 3HKO after Leftovers recovery

View Jirachi counters → Teams with Jirachi →

Registeel

Steel SOFT CHECK View matchup

65.959

23.9

48.5% Standard error 6.15 points

DAMAGE CALC

252+ Atk Registeel Explosion vs. 252 HP / 0 Def Swampert: 452-532 (111.8 - 131.6%) -- guaranteed OHKO

View Registeel counters → Teams with Registeel →

Salamence

DragonFlying SOFT CHECK View matchup

147.212

22.5

38.5% Standard error 4.01 points

DAMAGE CALC

0- SpA Salamence Hidden Power Grass vs. 252 HP / 252+ SpD Swampert: 156-184 (38.6 - 45.5%) -- guaranteed 3HKO after Leftovers recovery

View Salamence counters → Teams with Salamence →

Blissey

Normal SOFT CHECK View matchup

210.959

20.3

33.2% Standard error 3.24 points

DAMAGE CALC

Blissey Seismic Toss vs. 252 HP Swampert: 100-100 (24.7 - 24.7%) -- guaranteed 6HKO after Leftovers recovery

View Blissey counters → Teams with Blissey →

Metagross

SteelPsychic SOFT CHECK View matchup

121.363

12.3

28.8% Standard error 4.11 points

DAMAGE CALC

252+ Atk Metagross Explosion vs. 252 HP / 0 Def Swampert: 670-789 (165.8 - 195.2%) -- guaranteed OHKO

View Metagross counters → Teams with Metagross →

Tyranitar

RockDark SOFT CHECK View matchup

321.994

11.5

20.5% Standard error 2.25 points

DAMAGE CALCSand

252+ Atk Tyranitar Focus Punch vs. 252 HP / 0 Def Swampert: 201-237 (49.7 - 58.6%) -- 69.5% chance to 2HKO after Leftovers recovery

View Tyranitar counters → Teams with Tyranitar →

Forretress

BugSteel SOFT CHECK View matchup

58.903

10.0

34.9% Standard error 6.21 points

DAMAGE CALC

252+ Atk Forretress Explosion vs. 252 HP / 0 Def Swampert: 507-597 (125.4 - 147.7%) -- guaranteed OHKO

View Forretress counters → Teams with Forretress →

Aerodactyl

RockFlying SOFT CHECK View matchup

91.175

6.5

24.5% Standard error 4.51 points

DAMAGE CALC

252+ Atk Choice Band Aerodactyl Double-Edge vs. 252 HP / 0 Def Swampert: 203-239 (50.2 - 59.1%) -- 78.5% chance to 2HKO after Leftovers recovery

View Aerodactyl counters → Teams with Aerodactyl →

Snorlax

Normal SOFT CHECK View matchup

21.147

5.4

48.8% Standard error 10.87 points

DAMAGE CALC

0- Atk Snorlax Self-Destruct vs. 252 HP / 0 Def Swampert: 457-538 (113.1 - 133.1%) -- guaranteed OHKO

View Snorlax counters → Teams with Snorlax →

Claydol

GroundPsychic SOFT CHECK View matchup

20.185

-16.2

17.9% Standard error 8.53 points

DAMAGE CALC

252+ Atk Claydol Explosion vs. 252 HP / 0 Def Swampert: 434-511 (107.4 - 126.4%) -- guaranteed OHKO

View Claydol counters → Teams with Claydol →

Ranked #2 with 43.55% usage. Sorted by conservative score.