Aatrox vs Cassiopeia — Top Lane Matchup Guide

How to win lane as Aatrox against Cassiopeia · 50.45% win rate over 886 Emerald+ games · Updated 2026-07-27

Verdict: Cassiopeia is favoured — Cassiopeia owns 6 of the 7 game windows to Aatrox's 1. Play it patient and win your windows. Aatrox wins 50.45% of games vs Cassiopeia in top lane (886 Emerald+ games analysed).

Favour timeline — who owns each window

StageFavouredWhy
Level 1CassiopeiaCassiopeia's level-1 Q speed and poke dominate.
Level 2CassiopeiaLevel 2 stays hers — poke and kite, nothing you can punish.
Level 3CassiopeiaLevel 3 Miasma grounding shuts down your only engage.
Levels 4-5CassiopeiaLevels 4-5 stay hers as Grounding keeps denying your dashes.
Level 6AatroxR's heal amp gives Aatrox the level-6 spike to drain through poke.
First itemCassiopeiaFirst item stays hers — you reach her but she Grounding-kites away.
Two+ itemsCassiopeiaCassiopeia out-scales hard with magic DPS, grounding, and stun.

Early game (levels 1–5)

Levels 1-3 all favour Cassiopeia. Her Q (Noxious Blast) gives her free movement speed to space you, and once she has W (Miasma) she grounds your E dashes so you can't even reach her. Your early damage is weak and you have no sustain yet, so you'll bleed to her poke if you contest. Farm defensively, dodge Miasma above all else, and don't try to fight through the grounding.

Read the rest of this matchup

The full Aatrox 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 Aatrox guide →
All Aatrox top lane matchups →