Cassiopeia vs Master Yi — Top Lane Matchup Guide

How to win lane as Cassiopeia against Master Yi · 43.8% win rate (121 Emerald+ games, lolalytics, sampled July 2026) · Matchup data reviewed on patch 26.15

Verdict: An uphill lane you can win — the numbers lean Master Yi (Cassiopeia wins 43.8%), but Cassiopeia's plan below claims 4 of the 7 windows: convert them and the stats catch up to you.

Favour timeline — the windows in Cassiopeia's game plan

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

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

StageFavouredWhy
Level 1CassiopeiaCassiopeia owns level 1 — your Q out-pokes a melee Yi who has no way to answer at range.
Level 2CassiopeiaLevel 2 stays yours: the W slow-zone denies his engage entirely, so he can't even start the trade he wants.
Level 3CassiopeiaLevel 3 is yours — E poison-heal spam chunks him down while sustaining you through his scratch damage.
Levels 4-5Even / skillBy 4 his Wuju Style points bring the lane to even — trades are honest now, so lean on spacing, not stats.
Level 6Master YiMaster Yi takes 6: Highlander's 85s of slow immunity blanks Miasma's slow and Alpha Strike dodges spells. Gaze still stuns — save it for his commit.
First itemMaster YiFirst item is his — Wuju true damage out-DPSes you if he sticks. Ground the 20s Alpha Strike, or Gaze him face-on.
Two+ itemsCassiopeiaLate is Cassiopeia's: Gaze's stun beats Highlander, W's grounding still blanks Alpha Strike, and a locked-down Yi melts in seconds.

How to beat Master Yi as Cassiopeia: the early game

Bully him hard. Your Q out-pokes his melee frame at 1, the W slow-zone denies his level 2 engage outright, and from 3 the E poison-heal loop chunks him while healing back his scratch damage. Zone him off CS, stack your lead, and force him to farm under tower where your Q lands free.

Hardest and easiest matchups for Cassiopeia in top lane

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

Hardest

Easiest

Read the rest of this matchup

The full Cassiopeia vs Master Yi 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 Cassiopeia vs Master Yi in top lane?

Master Yi — Cassiopeia wins only 43.8% of 121 games, so Cassiopeia plays this as the disadvantaged side.

Is Cassiopeia vs Master Yi a skill matchup?

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

Does Cassiopeia counter Master Yi?

No — Master Yi counters Cassiopeia (Cassiopeia wins only 43.8% of games). Play it as the disadvantaged side and lean on the windows in the plan.

Related guides

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

More Cassiopeia top lane matchups: vs Lucian · vs Malphite · vs Maokai · vs Mel · vs Mordekaiser · vs Nasus