MacroMind matchup data: real ranked games, not opinions
Kayn vs Jayce
Kayn vs Jayce in Jungle: who wins more often?
Across 883 ranked games in Jungle, Kayn beats Jayce in 49% of them.
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 Kayn behind by 661 gold.
Kayn at 15:00
- Gold: -661
- CS: -7
- XP: -294
Typical gap to Jayce, from 878 games that reached 15:00.
Does Kayn counter Jayce?
Even on the count: Kayn lands at 49% over 883 games. Neither pick wins the lane alone, so take the side you play better and use the rows below to see which early spots swing this one, then play your first ten minutes around them.
Your Kayn game plan against Jayce
With a gold lead at 10:00, Kayn wins 64% of 308 games in this matchup. Behind at the same mark, the rate drops to 41% over 575.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 64% | 308 |
| Behind in gold at 10:00 | 41% | 575 |
| First blood | 55% | 551 |
| +kills at 10:00 | 65% | 321 |
| +CS at 10:00 | 61% | 362 |
| 0 deaths at 10:00 | 61% | 216 |
| 0 deaths at 15:00 | 75% | 68 |
In the median game here, the first death comes near 6:18 and level 6 lands around 7:04. Until your spike is online, treat the all-in window with respect.
Kayn in Jungle: the items that actually get built
Into Jayce specifically, Kayn finishes Hubris first most often: 51.4% over 177 games of this matchup.
The most-finished Kayn core is Voltaic Cyclosword, Black Cleaver, Death's Dance: 56.0% across 2,384 games when all three got done. All matchups, patches 26.1-26.12.
Most games start Gustwalker Hatchling + Health Potion; the first finished item is usually Voltaic Cyclosword (21,245 games).
Skill plan: Kayn players max Q first and take Q at level 1.