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

Karthus

Champion 2

Rek'Sai

44.4%

Karthus win rate vs Rek'Sai

Rek'Sai hard counters Karthus

142

Games Analyzed

44.4%

Karthus WR

55.6%

Rek'Sai WR

-450

Avg Gold Diff @15

Power Spike Timeline

Rek'Sai Level 3

Karthus Level 6

Rek'Sai Level 6

Karthus 1 item

Rek'Sai 1 item

Karthus 3 items

How to Play This Matchup

Survive to Scale

Rek'Sai will try to bully you early. Give up CS if needed Ã¢â‚¬â€ your job is to not die. Karthus outscales hard after 2 items. Play for farm, not fights.

Mixed Resistances

Karthus deals AP damage while Rek'Sai deals AD. Build resistances accordingly Ã¢â‚¬â€ don't stack the wrong type.

Range Advantage

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

Exploit Karthus's Weakness

Karthus's main weakness: Invaded early, immobile, Zhonya's blocks R. Play around this to maximize your advantage.

Karthus Win Condition

R global damage, passive keeps dealing damage after death

Rek'Sai Win Condition

Tunnel ganks, tremor sense vision, R execute

Recommended Items

Karthus