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

Sion

Champion 2

Gwen

45.5%

Sion win rate vs Gwen

Gwen has the edge

2,100

Games Analyzed

45.5%

Sion WR

54.5%

Gwen WR

-358

Avg Gold Diff @15

Power Spike Timeline

Gwen Level 1

Sion Level 6

Gwen Level 6

Sion 1 item

Gwen Nashor's Tooth

Sion Infinite HP

How to Play This Matchup

Power Curve

Sion is strongest late game while Gwen peaks late game. Play around your power window.

Mixed Resistances

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

Mirror Playstyle

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

Exploit Sion's Weakness

Sion's main weakness: Dodging Q, mobile champs, % HP damage. Play around this to maximize your advantage.

Sion Win Condition

Infinite HP scaling, R engage, zombie passive

Gwen Win Condition

Scale, shred tanks with passive, W immune zone in fights

Recommended Items

Sion

Heartsteel

Core

Build every game

Titanic Hydra

Core

Build every game

Thornmail

Core

Build every game

Mercury's Treads

Defensive

MR + tenacity vs Gwen's AP damage and CC

Hexdrinker

Counter

Magic damage shield vs Gwen's burst

Gwen

Nashor's Tooth

Core

Build every game

Riftmaker

Core

Build every game

Zhonya's

Core

Build every game

Plated Steelcaps

Defensive

Armor boots vs Sion's AD damage

Bramble Vest

Counter

Grievous wounds + armor vs Sion's sustain/autos

Sion's Worst Matchups

Gwen's Worst Matchups

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