MacroMind matchup data — real ranked games, not opinions
Jax vs Kayn
What is Jax's win rate vs Kayn?
In Top, Jax wins 50% against Kayn across 128 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 Jax ahead by 821 gold.
Does Jax counter Kayn?
The numbers call it close: 50% for Jax over 128 games, inside the noise band. Neither side counters the other on this sample — the lane swings on the spots below, so pick the side you play better and take the receipts with you.
How to beat Kayn as Jax
When Jax is 300 gold up at 10:00, this matchup runs 55% over 83 games; 300 down, it drops to 40% over 45.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 55% | 83 |
| 300 gold down at 10:00 | 40% | 45 |
| First blood | 55% | 78 |
| +kills at 10:00 | 54% | 80 |
| +CS at 10:00 | 60% | 58 |
The median first death in this lane comes at 4:58; the level 6 spike lands around 5:33. Respect the all-in window until your spike is online.
What does Jax build in Top?
Into Kayn specifically, Jax finishes Trinity Force first most often: 47.7% over 44 games of this matchup.
The most-finished Jax core is Trinity Force, Sundered Sky, Zhonya's Hourglass: 58.8% across 4,416 games when all three got done. All matchups, patches 16.1-16.12.
Most games start Doran's Blade + Health Potion; the first finished item is usually Trinity Force (24,557 games).
Skill plan: Jax players max W first and take E at level 1.