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

Karma

Champion 2

Amumu

51.5%

Karma win rate vs Amumu

Skill matchup — could go either way

138

Games Analyzed

51.5%

Karma WR

48.5%

Amumu WR

+116

Avg Gold Diff @15

Power Spike Timeline

Karma Level 1

Amumu Level 3

Karma Level 6

Amumu Level 6

Karma 1 item

Amumu 1 item

How to Play This Matchup

Power Curve

Karma is strongest early game while Amumu peaks mid game. Play around your power window.

MR Priority

Both deal magic damage. An early Null-Magic Mantle or Mercury's Treads can swing the lane. Hexdrinker is also an option for AD champs.

Poke vs All-in

Karma wants to whittle Amumu down from range. Amumu needs to find a gap close and commit hard. If Amumu can't reach Karma, they lose. If they get on top, Karma is dead.

Range Advantage

Karma has range advantage. Amumu should look for short trades when Karma uses abilities on the wave. Freeze near your tower and wait for jungle help or an all-in window.

Exploit Amumu's Weakness

Amumu's main weakness: Invades, early dueling, counter-jungling. Play around this to maximize your advantage.

Karma Win Condition

R+Q poke, R+E team speed, lane bully support

Amumu Win Condition

Double Q engage, R AoE stun wins teamfights

Recommended Items

Karma

Moonstone Renewer

Core

Build every game

Staff of Flowing Water