Is Tyranitar-Mega viable in Gen 7 OU?

Tyranitar-Mega is ranked #33 in Gen 7 OU with 6.20% usage according to Smogon May 2026 - Jul 2026 data.

What beats Tyranitar-Mega in Gen 7 OU?

Medicham-Mega has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 86.1% of 21.087960614940076 relevant encounters. Standard error is 7.5 points. Sets and switch conditions can change the result.

How are Tyranitar-Mega matchup checks ranked in Gen 7 OU?

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

Tyranitar-Mega counters

Gen 7 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0248 Tyranitar-Mega

RockDark

USAGE 6.2% #33

BASE STATS

HP 100

ATK 164

DEF 150

SPA 95

SPD 120

SPE 71

BST700

TYPE MATCHUPS

4×

Fighting

2×

WaterGrassGroundBugSteelFairy

½×

NormalFirePoisonFlyingGhostDark

0×

Psychic

Moves

Stone Edge 95.0% Fire Punch 55.0% Ice Punch 54.0% Pursuit 50.0% Dragon Dance 42.5% Earthquake 41.5% Stealth Rock 31.0% Crunch 15.6%

Items

Tyranitarite 100.0%

Common Teammates

Excadrill59.1%

Toxapex53.1%

Celesteela36.5%

Landorus-Therian29.4%

Tornadus-Therian27.6%

Zapdos21.9%

Magearna21.3%

Kartana21.2%

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Team core to explore

Tyranitar-Mega + Excadrill 59.1% 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

Medicham-Mega

FightingPsychic OFFENSIVE CHECK View matchup

21.088

56.0

86.1% Standard error 7.53 points

DAMAGE CALCSand

252+ Atk Pure Power Medicham-Mega High Jump Kick vs. 252 HP / 0 Def Tyranitar-Mega: 1092-1288 (270.2 - 318.8%) -- guaranteed OHKO

View Medicham-Mega counters →

Swampert-Mega

WaterGround OFFENSIVE CHECK View matchup

40.765

43.8

79.5% Standard error 8.93 points

DAMAGE CALCSand

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

View Swampert-Mega counters →

Greninja

WaterDark OFFENSIVE CHECK View matchup

86.29

26.2

62.2% Standard error 9.01 points

DAMAGE CALCSand

252+ SpA Choice Specs Greninja Hydro Pump vs. 252 HP / 252+ SpD Tyranitar-Mega in Sand: 216-254 (53.4 - 62.8%) -- guaranteed 2HKO

View Greninja counters → Teams with Greninja →

Magearna

SteelFairy SOFT CHECK View matchup

91.397

6.5

41.6% Standard error 8.75 points

DAMAGE CALCSand

252+ SpA Magearna Focus Blast vs. 252 HP / 252+ SpD Tyranitar-Mega in Sand: 248-292 (61.3 - 72.2%) -- guaranteed 2HKO

View Magearna counters → Teams with Magearna →

Landorus-Therian

GroundFlying SOFT CHECK View matchup

136.469

4.2

31.4% Standard error 6.79 points

DAMAGE CALCSand

252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Tyranitar-Mega: 272-324 (67.3 - 80.1%) -- guaranteed 2HKO

View Landorus-Therian counters → Teams with Landorus-Therian →

Ferrothorn

GrassSteel SOFT CHECK View matchup

42.94

-8.1

32.0% Standard error 10.03 points

DAMAGE CALCSand

252+ Atk Ferrothorn Power Whip vs. 252 HP / 0 Def Tyranitar-Mega: 242-288 (59.9 - 71.2%) -- guaranteed 2HKO

View Ferrothorn counters → Teams with Ferrothorn →

Heatran

FireSteel SOFT CHECK View matchup

44.395

-10.0

28.1% Standard error 9.54 points

DAMAGE CALCSand

252+ SpA Heatran Earth Power vs. 252 HP / 252+ SpD Tyranitar-Mega in Sand: 92-110 (22.7 - 27.2%) -- 50% chance to 4HKO

View Heatran counters → Teams with Heatran →

Toxapex

PoisonWater SOFT CHECK View matchup

22.23

-11.0

26.5% Standard error 9.36 points

DAMAGE CALCSand

252+ SpA Toxapex Scald vs. 252 HP / 252+ SpD Tyranitar-Mega in Sand: 72-86 (17.8 - 21.2%) -- possible 5HKO

View Toxapex counters → Teams with Toxapex →

Ranked #33 with 6.20% usage. Sorted by conservative score.