Is Swampert viable in Gen 4 OU?

Swampert is ranked #10 in Gen 4 OU with 18.81% usage according to Smogon May 2026 - Jul 2026 data.

What beats Swampert in Gen 4 OU?

Latias has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 66.4% of 74.71664253154151 relevant encounters. Standard error is 9.4 points. Sets and switch conditions can change the result.

How are Swampert matchup checks ranked in Gen 4 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 4 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0260 Swampert

WaterGround

USAGE 18.8% #10

BASE STATS

HP 100

ATK 110

DEF 90

SPA 85

SPD 90

SPE 60

BST535

TYPE MATCHUPS

4×

Grass

½×

FirePoisonRockSteel

0×

Electric

Moves

Earthquake 88.2% Stealth Rock 83.0% Ice Beam 68.2% Roar 58.1% Waterfall 22.6% Ice Punch 21.0% Protect 21.0% Surf 10.4%

Items

Leftovers 91.9% Choice Band 3.2% Custap Berry 2.5% Focus Sash 0.5% Light Ball 0.5% Damp Rock 0.4% Expert Belt 0.3% Rindo Berry 0.2%

Common Teammates

Browse Gen 4 OU teams using Swampert →

Explore Swampert + Latias teams 29 score Explore Swampert + Jirachi teams 2 score Explore Swampert + Tyranitar teams 1 score Explore Swampert + Heatran teams -6 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 + Jirachi 64.8% 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

Latias

DragonPsychic DEFENSIVE CHECK View matchup

74.717

28.6

66.4% Standard error 9.45 points

DAMAGE CALC

252+ Atk Swampert Ice Punch vs. 252 HP / 252+ Def Latias: 124-148 (34 - 40.6%) -- guaranteed 3HKO

View Latias counters → Teams with Latias →

Jirachi

SteelPsychic SOFT CHECK View matchup

30.907

2.3

37.0% Standard error 8.68 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 →

Tyranitar

RockDark SOFT CHECK View matchup

45.638

1.1

42.3% Standard error 10.31 points

DAMAGE CALCSand

252+ Atk Choice Band Tyranitar Crunch vs. 252 HP / 0 Def Swampert: 240-283 (59.4 - 70%) -- guaranteed 2HKO after Leftovers recovery

View Tyranitar counters → Teams with Tyranitar →

Heatran

FireSteel SOFT CHECK View matchup

24.967

-6.5

30.3% Standard error 9.20 points

DAMAGE CALC

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

View Heatran counters → Teams with Heatran →

Ranked #10 with 18.81% usage. Sorted by conservative score.