Master Yi vs Cassiopeia — Top Lane Matchup Guide

How to win lane as Master Yi against Cassiopeia · 56.2% win rate over 121 Emerald+ games · Updated 2026-07-27

Verdict: Winnable despite the lane — Cassiopeia owns 4 of the 7 game windows to Master Yi's 2, yet the win rate favours Master Yi: survive their windows and the game is yours. Master Yi wins 56.2% of games vs Cassiopeia in top lane (121 Emerald+ games analysed).

Favour timeline — who owns each window

StageFavouredWhy
Level 1CassiopeiaCassiopeia's level 1 Q out-pokes you with no way to answer.
Level 2CassiopeiaAt 2 her W slow-zone denies your engage and keeps her ahead.
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 5 your Highlander and Q dash dodge her spells and tilt 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.

Early game (levels 1–5)

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.

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