MacroMind matchup data — real ranked games, not opinions

Rammus vs Jarvan IV

In Jungle, Rammus wins 50% against Jarvan IV across 368 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 Rammus behind by 549 gold.

Does Rammus counter Jarvan IV?

The numbers call it close: 50% for Rammus over 368 games, inside the noise band. Pick the side you play better.

How to beat Jarvan IV as Rammus

Turn the early game into gold: 300 up at 10:00 runs this matchup at 57% over 120 games; 300 behind drops it to 47% over 248.

The median first death in this lane comes at 7:08; the level 6 spike lands around 7:34. Respect the all-in window until your spike is online.