MacroMind matchup data — real ranked games, not opinions

Jarvan IV vs Rammus

In Jungle, Jarvan IV wins 50% against Rammus 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 Jarvan IV ahead by 549 gold.

Does Jarvan IV counter Rammus?

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

How to beat Rammus as Jarvan IV

Turn the early game into gold: 300 up at 10:00 runs this matchup at 53% over 248 games; 300 behind drops it to 43% over 120.

The median first death in this lane comes at 7:19; the level 6 spike lands around 7:08. Respect the all-in window until your spike is online.