Master Yi vs Cassiopeia — Top Lane Matchup Guide

How to win lane as Master Yi against Cassiopeia · 56.2% win rate (121 Emerald+ games, lolalytics, sampled July 2026) · Matchup data reviewed on patch 26.15

Verdict: The numbers favour Master Yi (56.2% win rate), even though Cassiopeia pressures 4 of the 7 stage windows — convert your windows below and the stats swing your way.

Favour timeline — the windows in Master Yi's game plan

Read from Master Yi's seat: which stage windows this plan plays for against Cassiopeia.

This is Master Yi's own plan; across 121 pooled games the lane is Master Yi-favoured.

StageFavouredWhy
Level 1CassiopeiaCassiopeia's level 1 Q out-pokes you with no way to answer.
Level 2CassiopeiaAt 2 Miasma grounds you, denying Alpha Strike entirely.
Level 3CassiopeiaLevel 3 gives her E poison-heal spam that chunks and sustains her.
Levels 4-5Even / skillBy 4 your Wuju Style points bring the lane to even.
Level 6Master YiAt 6 Highlander's slow immunity beats her kite and tilts fights to you.
First itemMaster YiWith your first item Wuju true damage out-DPSes her when you stick.
Two+ itemsCassiopeiaLate her R AoE stun and zone control lock you down and favour her.

How to beat Cassiopeia as Master Yi: the early game

Levels 1-3 are Cassiopeia's: her Q poke, W slow-zone, and E poison-heal chunk you while you have no trade tools, so farm at range and avoid her Miasma.

Hardest and easiest matchups for Master Yi in top lane

Pooled Emerald+ win rates from Master Yi's side, sampled July 2026.

Hardest

Easiest

Read the rest of this matchup

The full Master Yi vs Cassiopeia report continues with the mid-game plan, the late-game and teamfight plan, every power spike to play around, and the win conditions for both sides — plus cooldown tracking and the live enemy-jungle tracker inside the app.

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Common questions

Who wins Master Yi vs Cassiopeia in top lane?

Master Yi — a 56.2% win rate vs Cassiopeia in top lane over 121 games is a real advantage.

Is Master Yi vs Cassiopeia a skill matchup?

Not really — Master Yi holds a real statistical advantage (56.2% win rate), so Cassiopeia is the one working uphill.

Does Master Yi counter Cassiopeia?

Statistically yes — Master Yi counters Cassiopeia in top lane, winning 56.2% of 121 Emerald+ games.

Related guides

Playing the other side? Cassiopeia vs Master Yi guide →
All Master Yi top lane matchups →

More Master Yi top lane matchups: vs Ambessa · vs Aurora · vs Camille · vs Cho'Gath · vs Darius · vs Dr. Mundo