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

Rengar

Champion 2

Sion

46.4%

Rengar win rate vs Sion

Sion has the edge

110

Games Analyzed

46.4%

Rengar WR

53.6%

Sion WR

-291

Avg Gold Diff @15

Power Spike Timeline

Rengar Level 3

Rengar Level 6

Sion Level 6

Rengar 1 item

Sion 1 item

Sion Infinite HP

How to Play This Matchup

Power Curve

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

Armor Rush

Both champions deal physical damage. Whoever builds armor first (Plated Steelcaps, Bramble Vest) gets a huge advantage in trades.

Hit and Run

Rengar needs to combo and back off. Don't stay in extended trades against Sion's sustained damage. Short trades, then disengage.

Exploit Rengar's Weakness

Rengar's main weakness: No bushes = weak, CC, grouped enemies, pink wards. Play around this to maximize your advantage.

Rengar Win Condition

Bush leap combos, R stealth assassinate, snowball kills

Sion Win Condition

Infinite HP scaling, R engage, zombie passive

Recommended Items

Rengar

Eclipse

Core

Build every game

Youmuu's Ghostblade

Core

Build every game

Edge of Night

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

Heartsteel

Core

Build every game

Titanic Hydra

Core

Build every game

Thornmail

Core

Build every game

Plated Steelcaps

Defensive

Armor boots vs Rengar's AD damage

Death's Dance

Defensive

Bleed passive reduces burst, heal on takedown

Rengar's Worst Matchups

Sion's Worst Matchups

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