MacroMind matchup data: real ranked games, not opinions
Jayce vs Diana
What is Jayce's win rate vs Diana?
In Mid, Jayce wins 45% against Diana across 197 observed 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 Jayce behind by 99 gold.
Jayce at 15:00
- Gold: -99
- CS: +6
- XP: -190
Typical gap to Diana, from 197 games that reached 15:00.
Does Jayce counter Diana?
Too close to call. Jayce sits at 45% over 197 games, so neither pick counters the other here. The lane goes to whoever wins the spots below, like the gold lead at 10:00 or staying alive until 15:00, so play for those and let the pick argument go.
How to beat Diana as Jayce
When Jayce is ahead in gold at 10:00, this matchup runs 57% over 93 games; behind, it drops to 34% over 104.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 57% | 93 |
| Behind in gold at 10:00 | 34% | 104 |
| First blood | 51% | 65 |
| +kills at 10:00 | 55% | 62 |
| +CS at 10:00 | 51% | 109 |
The median first death in this lane comes at 3:17; the level 6 spike lands around 5:37. Respect the all-in window until your spike is online.
What does Jayce build in Mid?
The most-finished Jayce core is Youmuu's Ghostblade, Manamune, Serylda's Grudge: 54.9% across 594 games when all three got done. All matchups, patches 26.1-26.12.
Most games start Doran's Blade + Health Potion; the first finished item is usually Youmuu's Ghostblade (2,878 games).
Skill plan: Jayce players max Q first and take Q at level 1.