The champions that counter Ornn hardest in top lane are Singed (43.78%), Shen (47.27%) and Ambessa (48.32%) — those are Ornn's own pooled win rates. The easiest matchups are Quinn (59.87%), Mel (58.21%) and Gragas (58%).
71 researched matchup guides for Ornn in top lane, most-played first. Win rates are Ornn's side, pooled Emerald+ games sampled July 2026.
| Matchup | Win rate | Games | Favour |
|---|---|---|---|
| Ornn vs Graves | 52.69% | 5,280 | Leans Ornn |
| Ornn vs Nautilus | 52.06% | 4,748 | Leans Ornn |
| Ornn vs Garen | 49.5% | 4,218 | Even |
| Ornn vs Sylas | 51.86% | 4,078 | Leans Ornn |
| Ornn vs Karma | 53.28% | 3,585 | Leans Ornn |
| Ornn vs Yone | 49.21% | 3,526 | Leans Yone |
| Ornn vs Lucian | 54.96% | 3,450 | Leans Ornn |
| Ornn vs Darius | 53.43% | 3,249 | Leans Ornn |
| Ornn vs Malphite | 56.54% | 3,173 | Ornn favoured |
| Ornn vs Aatrox | 53.44% | 2,947 | Leans Ornn |
| Ornn vs Yasuo | 53.07% | 2,900 | Leans Ornn |
| Ornn vs Akali | 51.36% | 2,747 | Leans Ornn |
| Ornn vs Vayne | 52.03% | 2,716 | Leans Ornn |
| Ornn vs Sett | 55.38% | 2,638 | Ornn favoured |
| Ornn vs Mordekaiser | 50.63% | 2,637 | Even |
| Ornn vs Jayce | 57.48% | 2,575 | Ornn favoured |
| Ornn vs Sion | 53.07% | 2,561 | Leans Ornn |
| Ornn vs Wukong | 51.25% | 2,400 | Leans Ornn |
| Ornn vs Gangplank | 53% | 2,387 | Leans Ornn |
| Ornn vs Shen | 47.27% | 2,310 | Leans Shen |
| Ornn vs Vladimir | 48.46% | 2,274 | Leans Vladimir |
| Ornn vs Teemo | 55.36% | 2,119 | Ornn favoured |
| Ornn vs K'Sante | 50.51% | 2,043 | Even |
| Ornn vs Renekton | 55.87% | 1,976 | Ornn favoured |
| Ornn vs Jax | 54.07% | 1,953 | Leans Ornn |
| Ornn vs Dr. Mundo | 50.6% | 1,844 | Even |
| Ornn vs Galio | 54.83% | 1,844 | Leans Ornn |
| Ornn vs Gwen | 51.83% | 1,802 | Leans Ornn |
| Ornn vs Gnar | 52.76% | 1,702 | Leans Ornn |
| Ornn vs Yorick | 54.89% | 1,605 | Leans Ornn |
| Ornn vs Fiora | 52.35% | 1,599 | Leans Ornn |
| Ornn vs Camille | 50.26% | 1,562 | Even |
| Ornn vs Ambessa | 48.32% | 1,552 | Leans Ambessa |
| Ornn vs Singed | 43.78% | 1,512 | Singed favoured |
| Ornn vs Kayle | 50.17% | 1,507 | Even |
| Ornn vs Riven | 52.65% | 1,489 | Leans Ornn |
| Ornn vs Warwick | 51.62% | 1,480 | Leans Ornn |
| Ornn vs Pantheon | 53.88% | 1,470 | Leans Ornn |
| Ornn vs Illaoi | 51.38% | 1,450 | Leans Ornn |
| Ornn vs Cho'Gath | 57.01% | 1,433 | Ornn favoured |
| Ornn vs Zaahen | 48.48% | 1,417 | Leans Zaahen |
| Ornn vs Irelia | 52.39% | 1,401 | Leans Ornn |
| Ornn vs Ryze | 57.55% | 1,378 | Ornn favoured |
| Ornn vs Volibear | 54.69% | 1,355 | Leans Ornn |
| Ornn vs Nasus | 53.77% | 1,339 | Leans Ornn |
| Ornn vs Mel | 58.21% | 1,316 | Ornn favoured |
| Ornn vs Akshan | 51.54% | 1,269 | Leans Ornn |
| Ornn vs Tryndamere | 50.39% | 1,266 | Even |
| Ornn vs Tahm Kench | 52.6% | 1,251 | Leans Ornn |
| Ornn vs Gragas | 58% | 1,250 | Ornn favoured |
| Ornn vs Kassadin | 55.05% | 1,248 | Ornn favoured |
| Ornn vs Lillia | 51.14% | 1,228 | Leans Ornn |
| Ornn vs Olaf | 50.99% | 1,208 | Leans Ornn |
| Ornn vs Aurora | 54.59% | 1,187 | Leans Ornn |
| Ornn vs Swain | 57.68% | 1,146 | Ornn favoured |
| Ornn vs Urgot | 51.89% | 1,135 | Leans Ornn |
| Ornn vs Rumble | 52.92% | 1,043 | Leans Ornn |
| Ornn vs Trundle | 52.51% | 977 | Leans Ornn |
| Ornn vs Zac | 54.49% | 969 | Leans Ornn |
| Ornn vs Ziggs | 50.29% | 863 | Even |
| Ornn vs Cassiopeia | 55.46% | 851 | Ornn favoured |
| Ornn vs Poppy | 49.76% | 840 | Even |
| Ornn vs Neeko | 52.71% | 829 | Leans Ornn |
| Ornn vs Maokai | 51.46% | 824 | Leans Ornn |
| Ornn vs Locke | 54.66% | 805 | Leans Ornn |
| Ornn vs Sejuani | 51.06% | 805 | Leans Ornn |
| Ornn vs Kled | 51.05% | 760 | Leans Ornn |
| Ornn vs Quinn | 59.87% | 755 | Ornn favoured |
| Ornn vs Kennen | 56.1% | 656 | Ornn favoured |
| Ornn vs Heimerdinger | 54.99% | 551 | Leans Ornn |
| Ornn vs Master Yi | 51.13% | 266 | Leans Ornn |