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

Orianna

Champion 2

Katarina

45.1%

Orianna win rate vs Katarina

Katarina has the edge

833

Games Analyzed

45.1%

Orianna WR

54.9%

Katarina WR

-388

Avg Gold Diff @15

Power Spike Timeline

Katarina Level 3

Orianna Level 6

Katarina Level 6

Orianna 1 item

Katarina 1 item

Orianna 2 items

How to Play This Matchup

Mid-Game Showdown

Both champions spike around the same time. The player who gets their first item faster wins. Focus on CS leads and smart trades to build an advantage before the mid-game.

Mixed Resistances

Orianna deals AP damage while Katarina deals Mixed. Build resistances accordingly Ã¢â‚¬â€ don't stack the wrong type.

Range Advantage

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

Exploit Orianna's Weakness

Orianna's main weakness: Assassins, losing ball position, immobile. Play around this to maximize your advantage.

Orianna Win Condition

Ball control, R shockwave on grouped enemies, shield allies

Katarina Win Condition

Roam, get resets, snowball through kills

Recommended Items

Orianna