The champions that counter Jayce hardest in top lane are Ornn (42.52%), Master Yi (42.56%) and Quinn (42.67%) — those are Jayce's own pooled win rates. The easiest matchups are Gwen (53.83%), Jax (53.29%) and Mel (53.04%).
71 researched matchup guides for Jayce in top lane, most-played first. Win rates are Jayce's side, pooled Emerald+ games sampled July 2026.
| Matchup | Win rate | Games | Favour |
|---|---|---|---|
| Jayce vs Aatrox | 48.3% | 4,766 | Leans Aatrox |
| Jayce vs Yone | 50.91% | 4,677 | Leans Jayce |
| Jayce vs Sion | 45.53% | 4,230 | Leans Sion |
| Jayce vs Graves | 48.85% | 4,084 | Leans Graves |
| Jayce vs Malphite | 46.4% | 3,694 | Leans Malphite |
| Jayce vs Darius | 49.78% | 3,224 | Even |
| Jayce vs Yorick | 45.03% | 3,140 | Leans Yorick |
| Jayce vs Nautilus | 48.78% | 3,073 | Leans Nautilus |
| Jayce vs Garen | 47.55% | 2,984 | Leans Garen |
| Jayce vs Karma | 50.73% | 2,657 | Even |
| Jayce vs Sylas | 50.83% | 2,656 | Leans Jayce |
| Jayce vs Lucian | 50.73% | 2,590 | Even |
| Jayce vs Ornn | 42.52% | 2,575 | Ornn favoured |
| Jayce vs Yasuo | 46.14% | 2,438 | Leans Yasuo |
| Jayce vs Renekton | 49.87% | 2,398 | Even |
| Jayce vs Irelia | 48.18% | 2,061 | Leans Irelia |
| Jayce vs K'Sante | 50.7% | 2,000 | Even |
| Jayce vs Olaf | 43.71% | 1,917 | Olaf favoured |
| Jayce vs Tryndamere | 46.07% | 1,910 | Leans Tryndamere |
| Jayce vs Sett | 45.96% | 1,867 | Leans Sett |
| Jayce vs Dr. Mundo | 44.37% | 1,839 | Dr. Mundo favoured |
| Jayce vs Akali | 47.75% | 1,775 | Leans Akali |
| Jayce vs Rumble | 51.44% | 1,775 | Leans Jayce |
| Jayce vs Pantheon | 46.82% | 1,700 | Leans Pantheon |
| Jayce vs Riven | 50.92% | 1,681 | Leans Jayce |
| Jayce vs Shen | 46.27% | 1,649 | Leans Shen |
| Jayce vs Gangplank | 47.59% | 1,641 | Leans Gangplank |
| Jayce vs Vayne | 51.46% | 1,570 | Leans Jayce |
| Jayce vs Zaahen | 47.1% | 1,552 | Leans Zaahen |
| Jayce vs Jax | 53.29% | 1,368 | Leans Jayce |
| Jayce vs Urgot | 45.64% | 1,308 | Leans Urgot |
| Jayce vs Galio | 47.93% | 1,304 | Leans Galio |
| Jayce vs Locke | 50.46% | 1,304 | Even |
| Jayce vs Wukong | 50.12% | 1,267 | Even |
| Jayce vs Singed | 48.91% | 1,241 | Leans Singed |
| Jayce vs Gnar | 52.17% | 1,150 | Leans Jayce |
| Jayce vs Vladimir | 49.11% | 1,067 | Leans Vladimir |
| Jayce vs Illaoi | 47.74% | 1,062 | Leans Illaoi |
| Jayce vs Ambessa | 50.8% | 1,059 | Leans Jayce |
| Jayce vs Ryze | 51.01% | 990 | Leans Jayce |
| Jayce vs Poppy | 43.37% | 897 | Poppy favoured |
| Jayce vs Tahm Kench | 44.35% | 868 | Tahm Kench favoured |
| Jayce vs Volibear | 51.69% | 859 | Leans Jayce |
| Jayce vs Gragas | 49.82% | 813 | Even |
| Jayce vs Teemo | 47.23% | 813 | Leans Teemo |
| Jayce vs Mel | 53.04% | 807 | Leans Jayce |
| Jayce vs Mordekaiser | 51.06% | 803 | Leans Jayce |
| Jayce vs Aurora | 51.74% | 775 | Leans Jayce |
| Jayce vs Quinn | 42.67% | 757 | Quinn favoured |
| Jayce vs Camille | 48% | 750 | Leans Camille |
| Jayce vs Fiora | 48.91% | 734 | Leans Fiora |
| Jayce vs Warwick | 45.4% | 696 | Leans Warwick |
| Jayce vs Nasus | 46.97% | 677 | Leans Nasus |
| Jayce vs Swain | 50.08% | 645 | Even |
| Jayce vs Akshan | 50.23% | 639 | Even |
| Jayce vs Lillia | 52.88% | 607 | Leans Jayce |
| Jayce vs Neeko | 48.89% | 585 | Leans Neeko |
| Jayce vs Kassadin | 48.62% | 580 | Leans Kassadin |
| Jayce vs Cho'Gath | 44.79% | 576 | Cho'Gath favoured |
| Jayce vs Kayle | 49.45% | 550 | Even |
| Jayce vs Cassiopeia | 51.91% | 549 | Leans Jayce |
| Jayce vs Ziggs | 50.82% | 547 | Leans Jayce |
| Jayce vs Kennen | 51.64% | 517 | Leans Jayce |
| Jayce vs Zac | 52.61% | 517 | Leans Jayce |
| Jayce vs Kled | 48.16% | 434 | Leans Kled |
| Jayce vs Gwen | 53.83% | 431 | Leans Jayce |
| Jayce vs Maokai | 46.57% | 423 | Leans Maokai |
| Jayce vs Master Yi | 42.56% | 390 | Master Yi favoured |
| Jayce vs Sejuani | 50.51% | 390 | Even |
| Jayce vs Heimerdinger | 52.83% | 265 | Leans Jayce |
| Jayce vs Trundle | 51.81% | 193 | Leans Jayce |