Is Swampert viable in Gen 3 OU?

Swampert is ranked #2 in Gen 3 OU with 44.46% usage according to Smogon Apr 2026 - Jun 2026 data.

What beats Swampert in Gen 3 OU?

The best counter for Swampert in Gen 3 OU is Celebi with a 79.9% win rate when they meet. Based on Smogon's Apr 2026 - Jun 2026 usage data, the top Pokémon that beat Swampert include Celebi, Gengar, Suicune, Zapdos, Starmie.

What is the best counter for Swampert in Gen 3 OU?

Celebi is the best counter for Swampert in Gen 3 OU, KOing or forcing it out in 79.9% of their encounters.

Swampert counters

Gen 3 OU · Sorted by reliability score · Smogon · Apr 2026 - Jun 2026

#0260 Swampert

WaterGround

USAGE 44.5% #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 51.9% Ice Beam 50.7% Earthquake 50.0% Surf 41.7% Protect 37.5% Toxic 33.8% Roar 29.2% Substitute 24.6%

Items

Leftovers 78.1% Salac Berry 21.5% Choice Band 0.4% Lum Berry 0.0% Mystic Water 0.0% Petaya Berry 0.0% nothing 0.0% Scope Lens 0.0%

Common Teammates

Browse Gen 3 OU teams using Swampert →

Teams using Celebi 80% Teams using Gengar 74% Teams using Suicune 74% Teams using Zapdos 60% Teams using Starmie 53% Teams using Registeel 51%

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Celebi

PsychicGrass DEFENSIVE COUNTER

102.537

79.9% dies 6.67%

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 →

Gengar

GhostPoison OFFENSIVE CHECK

41.516

74.3% dies 6.78%

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 →

Suicune

Water DEFENSIVE COUNTER

91.154

74.0% dies 7.88%

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

119.243

60.3% dies 7.65%

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 SOFT CHECK

62.526

52.5% dies 8.86%

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 →

Registeel

Steel SOFT CHECK

21.547

50.8% dies 10.77%

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 →

Snorlax

Normal SOFT CHECK

24.361

50.0% dies 10.13%

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 →

Swampert

WaterGround SOFT CHECK

129.506

45.9% dies 7.45%

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

103.194

45.1% dies 8.38%

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 →

Skarmory

SteelFlying SOFT CHECK

135.268

42.6% dies 7.30%

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 →

Jolteon

Electric SOFT CHECK

20.935

38.4% dies 10.63%

DAMAGE CALC

252+ SpA Jolteon Hidden Power Grass vs. 252 HP / 252+ SpD Swampert: 234-276 (57.9 - 68.3%) -- guaranteed 2HKO after Leftovers recovery

View Jolteon counters → Teams with Jolteon →

Salamence

DragonFlying SOFT CHECK

142.976

37.4% dies 6.95%

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 →

Aerodactyl

RockFlying SOFT CHECK

78.459

32.7% dies 8.92%

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

20.636

30.4% dies 10.13%

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 →

Metagross

SteelPsychic SOFT CHECK

113.478

26.8% dies 7.16%

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 →

Blissey

Normal SOFT CHECK

165.646

26.4% dies 5.86%

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

285.931

18.0% dies 3.90%

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 →

Ranked #2 with 44.46% usage. Sorted by reliability score.