MacroMind matchup data — real ranked games, not opinions
Katarina vs Jayce
What is Katarina's win rate vs Jayce?
In Mid, Katarina wins 50% against Jayce across 488 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 Katarina behind by 588 gold.
Does Katarina counter Jayce?
The numbers call it close: 50% for Katarina over 488 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 Jayce as Katarina
When Katarina is 300 gold up at 10:00, this matchup runs 69% over 176 games; 300 down, it drops to 38% over 312.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 69% | 176 |
| 300 gold down at 10:00 | 38% | 312 |
| First blood | 56% | 260 |
| +kills at 10:00 | 63% | 226 |
| +CS at 10:00 | 77% | 64 |
| 0 deaths at 10:00 | 66% | 90 |
The median first death in this lane comes at 4:45; the level 6 spike lands around 5:40. Respect the all-in window until your spike is online.
What does Katarina build in Mid?
Into Jayce specifically, Katarina finishes Hextech Gunblade first most often: 46.3% over 82 games of this matchup.
The most-finished Katarina core is Lich Bane, Shadowflame, Zhonya's Hourglass: 54.7% across 5,566 games when all three got done. All matchups, patches 16.1-16.12.
Most games start Dark Seal + Refillable Potion; the first finished item is usually Hextech Gunblade (22,295 games).
Skill plan: Katarina players max Q first and take Q at level 1.