MacroMind matchup data — real ranked games, not opinions
Cassiopeia vs Senna
In ADC, Cassiopeia wins 42% against Senna across 50 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 Cassiopeia behind by 25 gold.
Does Cassiopeia counter Senna?
The numbers call it close: 42% for Cassiopeia over 50 games, inside the noise band. Pick the side you play better.
How to beat Senna as Cassiopeia
The median first death in this lane comes at 6:44; the level 6 spike lands around 7:31. Respect the all-in window until your spike is online.