How are champion matchup win rates calculated?

Win rates are calculated from thousands of ranked games in Emerald+ elo on the current patch. Data is sourced from OP.GG and updated regularly.

What does a 55% win rate matchup mean?

A 55% win rate means Champion 1 wins 55 out of every 100 games against Champion 2 in ranked. Anything above 52% is considered a favorable matchup.

Do matchup win rates change every patch?

Yes. Champion buffs, nerfs, item changes, and meta shifts can all affect matchup win rates. Our data updates with each new patch.

Should I always pick the counter champion?

Not necessarily. Comfort and experience on a champion often matter more than counter-picking, especially below Diamond. A 2-3% win rate difference is easily overcome by champion mastery.

What rank is the matchup data from?

All matchup data is sourced from Emerald+ ranked games to ensure the data reflects skilled play. Lower elo matchups can differ significantly.

Patch 26.9 Data

Champion Matchups

Pick two champions and see who wins. Win rates, counters, and tips powered by live ranked data.

Champion 1

Dr. Mundo

Champion 2

Ornn

49.6%

Dr. Mundo win rate vs Ornn

Skill matchup — could go either way

550

Games Analyzed

49.6%

Dr. Mundo WR

50.4%

Ornn WR

-28

Avg Gold Diff @15

Power Spike Timeline

Dr. Mundo Level 6

Ornn Level 6

Ornn Level 13

Ornn Teamfights

Dr. Mundo 2 items

Dr. Mundo 3 items

How to Play This Matchup

Power Curve

Dr. Mundo is strongest late game while Ornn peaks late game. Play around your power window.

Mirror Playstyle

Both champions play a sustained style. The one with better execution and itemization wins. Focus on spacing and cooldown tracking.

Exploit Dr. Mundo's Weakness

Dr. Mundo's main weakness: Grievous wounds, % HP damage, early bullies. Play around this to maximize your advantage.

Dr. Mundo Win Condition

Unkillable frontline, passive blocks CC, R regen

Ornn Win Condition

Upgrade team items, R engage, unkillable tank

Recommended Items

Dr. Mundo

Heartsteel

Core

Build every game

Warmog's Armor

Core

Build every game

Spirit Visage

Core

Build every game

Ornn

Sunfire Aegis

Core

Build every game

Thornmail

Core

Build every game

Gargoyle Stoneplate

Core

Build every game

Dr. Mundo's Worst Matchups

Ornn's Worst Matchups

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