Is Swampert viable in Gen 3 OU?

Swampert is ranked #2 in Gen 3 OU with 42.69% usage according to Smogon May 2026 - Jul 2026 data.

What beats Swampert in Gen 3 OU?

Celebi has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 80.7% of 76.83999119385959 relevant encounters. Standard error is 7.8 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 · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0260 Swampert

WaterGround

USAGE 42.7% #2

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 53.5% Earthquake 51.1% Ice Beam 50.4% Surf 40.8% Protect 35.6% Roar 32.8% Toxic 31.0% Substitute 23.4%

Items

Leftovers 78.8% Salac Berry 20.7% Choice Band 0.5% Lum Berry 0.0% Petaya Berry 0.0% nothing 0.0% Scope Lens 0.0% Mystic Water 0.0%

Common Teammates

Browse Gen 3 OU teams using Swampert →

Explore Swampert + Celebi teams 50 score Explore Swampert + Suicune teams 41 score Explore Swampert + Zapdos teams 23 score Explore Swampert + Starmie teams 15 score Explore Swampert + Swampert teams 13 score Explore Swampert + Skarmory teams 9 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 88.9% 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

76.84

49.7

80.7% Standard error 7.76 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

51.535

41.0

75.0% Standard error 8.49 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

83.402

23.2

60.2% Standard error 9.26 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 →

Starmie

WaterPsychic OFFENSIVE CHECK View matchup

24.214

15.1

55.5% Standard error 10.10 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

98.682

13.3

47.5% Standard error 8.56 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 →

Skarmory

SteelFlying SOFT CHECK View matchup

99.823

8.6

42.8% Standard error 8.54 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 →

Registeel

Steel SOFT CHECK View matchup

21.547

7.8

50.8% Standard error 10.77 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

115.584

6.3

36.8% Standard error 7.62 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 →

Jirachi

SteelPsychic SOFT CHECK View matchup

58.191

6.2

42.6% Standard error 9.10 points

DAMAGE CALC

252+ Atk Jirachi Body Slam vs. 252 HP / 0 Def Swampert: 93-110 (23 - 27.2%) -- possible 5HKO

View Jirachi counters → Teams with Jirachi →

Blissey

Normal SOFT CHECK View matchup

126.958

0.8

28.1% Standard error 6.82 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 →

Tyranitar

RockDark SOFT CHECK View matchup

204.129

0.7

20.0% Standard error 4.82 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 →

Metagross

SteelPsychic SOFT CHECK View matchup

85.732

-4.4

29.6% Standard error 8.50 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 →

Aerodactyl

RockFlying SOFT CHECK View matchup

42.646

-10.0

28.4% Standard error 9.60 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 →

Forretress

BugSteel SOFT CHECK View matchup

20.636

-10.1

30.4% Standard error 10.13 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 →

Ranked #2 with 42.69% usage. Sorted by conservative score.