MacroMind matchup data — real ranked games, not opinions
Jax vs Amumu
Jax vs Amumu in Jungle: who wins more often?
Across 333 ranked games in Jungle, Jax beats Amumu in 49% of them. Observed from real matches — the sample size sits next to the rate, here and on every number below.
By 15 minutes the median game has Jax ahead by 268 gold.
Does Jax counter Amumu?
No counter call here: Jax lands at 49% over 333 games, inside the noise band for a sample this size. Neither pick wins the lane on its own — the swing lives in the spots below, so take the side you play better and use the receipts.
Your Jax game plan against Amumu
With a 300-gold lead at 10:00, Jax wins 53% of 187 games in this matchup. Down 300 at the same mark, the rate drops to 45% over 146.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 53% | 187 |
| 300 gold down at 10:00 | 45% | 146 |
| First blood | 50% | 212 |
| +kills at 10:00 | 50% | 159 |
| +CS at 10:00 | 55% | 152 |
| 0 deaths at 10:00 | 60% | 89 |
In the median game here, the first death comes near 6:37 and level 6 lands around 7:19. Until your spike is online, treat the all-in window with respect.
Jax in Jungle: the items that actually get built
Into Amumu specifically, Jax finishes Trinity Force first most often: 53.8% over 78 games of this matchup.
The most-finished Jax core is Trinity Force, Sundered Sky, Zhonya's Hourglass: 58.9% across 2,303 games when all three got done. All matchups, patches 16.1-16.12.
Most games start Gustwalker Hatchling + Health Potion; the first finished item is usually Trinity Force (9,957 games).
Skill plan: Jax players max W first and take E at level 1.