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

Riven

Champion 2

Sion

48.4%

Riven win rate vs Sion

Skill matchup — could go either way

500

Games Analyzed

48.4%

Riven WR

51.6%

Sion WR

-124

Avg Gold Diff @15

Power Spike Timeline

Riven Level 1

Riven Level 6

Sion Level 6

Riven 1 item

Sion 1 item

Sion Infinite HP

How to Play This Matchup

Power Curve

Riven 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

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

Exploit Riven's Weakness

Riven's main weakness: Hard CC, bramble vest, falling behind. Play around this to maximize your advantage.

Riven Win Condition

Animation cancel combos, snowball lane, splitpush or teamfight

Sion Win Condition

Infinite HP scaling, R engage, zombie passive

Kill Pressure vs Map Play

Riven typically runs Ignite for kill pressure. Sion runs Teleport for map impact. Riven needs to convert the combat advantage into kills before Sion outscales through TP plays.

Recommended Items

Riven