MacroMind matchup data — real ranked games, not opinions
Janna vs Senna
In Support, Janna wins 50% against Senna across 1,240 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 Janna behind by 478 gold.
Does Janna counter Senna?
The numbers call it close: 50% for Janna over 1,240 games, inside the noise band. Pick the side you play better.
How to beat Senna as Janna
Turn the early game into gold: 300 up at 10:00 runs this matchup at 63% over 398 games; 300 behind drops it to 43% over 841.
The median first death in this lane comes at 7:24; the level 6 spike lands around 8:46. Respect the all-in window until your spike is online.