MacroMind matchup data: real ranked games, not opinions
Jarvan IV vs Jax
How often does Jarvan IV beat Jax in Jungle?
Jarvan IV into Jax in Jungle: 52% observed win rate across 1,079 ranked games.
Global ranked sample: games from every region and every rank pooled together, not one server's stats. Data runs through patch 26.12; curves updated 2026-08-07.
By 15 minutes the median game has Jarvan IV ahead by 76 gold.
Jarvan IV at 15:00
- Gold: +76
- CS: 0
- XP: -20
Typical gap to Jax, from 1,077 games that reached 15:00.
Does Jarvan IV counter Jax?
No counter here: Jarvan IV sits at 52% over 1,079 games. The swing lives in the spots below, so play the side you know better and chase the row that moves the number the most in this lane, then hold that lead through the first back.
Beating Jax: the Jarvan IV game plan
A gold lead at 10:00 puts Jarvan IV at 64% across 610 games. Flip the lead and Jarvan IV falls to 38% across 469.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 64% | 610 |
| Behind in gold at 10:00 | 38% | 469 |
| First blood | 59% | 694 |
| +kills at 10:00 | 66% | 449 |
| +CS at 10:00 | 59% | 564 |
| 0 deaths at 10:00 | 63% | 371 |
| 0 deaths at 15:00 | 68% | 152 |
Someone usually dies here around 7:25 in the median game, and level 6 lands near 7:08. Until your spike is online, respect the all-in.
Jarvan IV's Jungle build, with receipts
Into Jax specifically, Jarvan IV finishes Sundered Sky first most often: 53.0% over 253 games of this matchup.
The most-finished core in this exact matchup is Sundered Sky, Black Cleaver, Guardian Angel: 55.8% across 43 games.
The most-finished Jarvan IV core is Sundered Sky, Black Cleaver, Frozen Heart: 55.0% across 2,758 games when all three got done. All matchups, patches 26.1-26.12.
Most games start Scorchclaw Pup + Health Potion; the first finished item is usually Sundered Sky (20,439 games).
Skill plan: Jarvan IV players max Q first and take E at level 1.