Is Tyranitar-Mega viable in Gen 7 OU?

Tyranitar-Mega is ranked #34 in Gen 7 OU with 5.35% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Tyranitar-Mega in Gen 7 OU?

Swampert-Mega has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 81.3% of 20.3928126913311 relevant encounters. Standard error is 8.6 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 · Smogon source period Jul 2026 - Sep 2026

#0248 Tyranitar-Mega

RockDark

USAGE 5.3% #34

ABILITYSand Stream

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 94.7% Fire Punch 57.7% Pursuit 57.2% Ice Punch 53.9% Earthquake 37.6% Stealth Rock 36.1% Dragon Dance 36.1% Crunch 17.2%

Items

Tyranitarite 100.0%

Abilities

Sand Stream100.0%

Common Teammates

Excadrill66.6%

Toxapex60.3%

Celesteela39.8%

Tornadus-Therian29.0%

Landorus-Therian27.1%

Tapu Bulu24.9%

Heatran23.9%

Zapdos19.9%

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 66.6% 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

Swampert-Mega

WaterGround OFFENSIVE CHECK View matchup

20.393

46.8

81.3% Standard error 8.63 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

49.616

28.6

56.8% Standard error 7.03 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 →

Landorus-Therian

GroundFlying SOFT CHECK View matchup

96.452

13.4

32.4% Standard error 4.77 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 →

Magearna

SteelFairy SOFT CHECK View matchup

31.794

11.2

46.6% Standard error 8.85 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 →

Tapu Koko

ElectricFairy SOFT CHECK View matchup

24.342

-3.7

35.0% Standard error 9.67 points

DAMAGE CALCElectric Terrain

Tapu Koko Nature's Madness vs. 252 HP Tyranitar-Mega: 202-202 (50 - 50%) -- guaranteed 2HKO

View Tapu Koko counters → Teams with Tapu Koko →

Heatran

FireSteel SOFT CHECK View matchup

23.822

-8.9

27.9% Standard error 9.18 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 →

Ranked #34 with 5.35% usage. Sorted by conservative score.