Is Forretress viable in Gen 3 OU?

Forretress is ranked #17 in Gen 3 OU with 12.20% usage according to Smogon Feb 2026 - Apr 2026 data.

What beats Forretress in Gen 3 OU?

The best counter for Forretress in Gen 3 OU is Tyranitar with a 73.2% win rate when they meet. Based on Smogon's Feb 2026 - Apr 2026 usage data, the top Pokémon that beat Forretress include Tyranitar, Zapdos, Forretress, Blissey, Skarmory.

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

Tyranitar is the best counter for Forretress in Gen 3 OU, KOing or forcing it out in 73.2% of their encounters.

Forretress counters

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

#0205 Forretress

BugSteel

USAGE 12.2% #17

BASE STATS

HP 75

ATK 90

DEF 140

SPA 60

SPD 60

SPE 40

BST465

TYPE MATCHUPS

4×

Fire

½×

NormalIcePsychicBugDragonSteelFairy

¼×

Grass

0×

Poison

Moves

Spikes 99.8% Rapid Spin 93.2% Explosion 55.5% Hidden Power Bug 54.5% Hidden Power Ghost 29.0% Zap Cannon 19.6% Earthquake 17.6% Counter 15.7%

Items

Leftovers 99.9% Lum Berry 0.1% Choice Band 0.0% Quick Claw 0.0% Liechi Berry 0.0% Lansat Berry 0.0% Silk Scarf 0.0% Chesto Berry 0.0%

Common Teammates

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Tyranitar

RockDark OFFENSIVE CHECK

28.097

73.2% dies 8.36%

DAMAGE CALCSand

252+ Atk Tyranitar Focus Punch vs. 252 HP / 0 Def Forretress: 137-162 (38.7 - 45.7%) -- guaranteed 3HKO after Leftovers recovery

View Tyranitar counters → Teams with Tyranitar →

Zapdos

ElectricFlying SOFT CHECK

20.66

54.8% dies 10.95%

DAMAGE CALC

252+ SpA Zapdos Thunderbolt vs. 252 HP / 252+ SpD Forretress: 164-193 (46.3 - 54.5%) -- 8.2% chance to 2HKO after Leftovers recovery

View Zapdos counters → Teams with Zapdos →

Forretress

BugSteel SOFT CHECK

25.316

48.6% dies 9.93%

DAMAGE CALC

252+ Atk Forretress Explosion vs. 252 HP / 0 Def Forretress: 173-204 (48.8 - 57.6%) -- 53.1% chance to 2HKO after Leftovers recovery

View Forretress counters → Teams with Forretress →

Blissey

Normal SOFT CHECK

49.18

39.0% dies 9.80%

DAMAGE CALC

Blissey Seismic Toss vs. 252 HP Forretress: 100-100 (28.2 - 28.2%) -- guaranteed 5HKO after Leftovers recovery

View Blissey counters → Teams with Blissey →

Skarmory

SteelFlying SOFT CHECK

98.523

25.3% dies 7.49%

DAMAGE CALC

252+ Atk Skarmory Drill Peck vs. 252 HP / 0 Def Forretress: 79-93 (22.3 - 26.2%) -- possible 5HKO

View Skarmory counters → Teams with Skarmory →

Ranked #17 with 12.20% usage. Sorted by reliability score.