MacroMind matchup data — real ranked games, not opinions
Sejuani vs Mordekaiser
In Top, Sejuani wins 43% against Mordekaiser across 127 observed ranked games. This is an observed win rate shown with its sample size, not a prediction or a guaranteed counter.
By 15 minutes the median game has Sejuani behind by 632 gold.
Does Sejuani counter Mordekaiser?
The numbers call it close: 43% for Sejuani over 127 games, inside the noise band. Pick the side you play better.
How to beat Mordekaiser as Sejuani
Turn the early game into gold: 300 up at 10:00 runs this matchup at 50% over 44 games; 300 behind drops it to 39% over 83.
The median first death in this lane comes at 5:43; the level 6 spike lands around 5:37. Respect the all-in window until your spike is online.