MacroMind matchup data — real ranked games, not opinions
Alistar vs Senna
In Support, Alistar wins 47% against Senna across 1,002 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 Alistar behind by 558 gold.
Does Alistar counter Senna?
The numbers call it close: 47% for Alistar over 1,002 games, inside the noise band. Pick the side you play better.
How to beat Senna as Alistar
Turn the early game into gold: 300 up at 10:00 runs this matchup at 63% over 292 games; 300 behind drops it to 40% over 709.
The median first death in this lane comes at 5:27; the level 6 spike lands around 8:55. Respect the all-in window until your spike is online.