The champions that counter Swain hardest in bot lane are Kog'Maw (36.35%), Karthus (44.81%) and Zeri (45.33%) — those are Swain's own pooled win rates. The easiest matchups are Kai'Sa (50.32%), Corki (50.26%) and Veigar (49.89%).
29 researched matchup guides for Swain in bot lane, most-played first. Win rates are Swain's side, pooled Emerald+ games sampled July 2026.
| Matchup | Win rate | Games | Favour |
|---|---|---|---|
| Swain vs Caitlyn | 47.97% | 8,499 | Leans Caitlyn |
| Swain vs Jhin | 47.35% | 7,804 | Leans Jhin |
| Swain vs Kai'Sa | 50.32% | 7,478 | Even |
| Swain vs Ezreal | 49.72% | 7,058 | Even |
| Swain vs Jinx | 46.41% | 6,203 | Leans Jinx |
| Swain vs Ashe | 46.73% | 5,072 | Leans Ashe |
| Swain vs Senna | 46.14% | 4,801 | Leans Senna |
| Swain vs Lucian | 48.61% | 4,011 | Leans Lucian |
| Swain vs Miss Fortune | 48.91% | 3,594 | Leans Miss Fortune |
| Swain vs Tristana | 47.98% | 3,385 | Leans Tristana |
| Swain vs Smolder | 47.05% | 2,937 | Leans Smolder |
| Swain vs Vayne | 47.29% | 2,916 | Leans Vayne |
| Swain vs Aphelios | 48.92% | 2,876 | Leans Aphelios |
| Swain vs Seraphine | 48.04% | 2,810 | Leans Seraphine |
| Swain vs Samira | 47.06% | 2,637 | Leans Samira |
| Swain vs Twitch | 47.96% | 2,600 | Leans Twitch |
| Swain vs Sivir | 47.23% | 2,276 | Leans Sivir |
| Swain vs Ziggs | 45.55% | 2,169 | Leans Ziggs |
| Swain vs Draven | 48.66% | 2,166 | Leans Draven |
| Swain vs Xayah | 47.04% | 1,845 | Leans Xayah |
| Swain vs Zeri | 45.33% | 1,842 | Leans Zeri |
| Swain vs Varus | 49.87% | 1,588 | Even |
| Swain vs Kalista | 49.17% | 1,025 | Leans Kalista |
| Swain vs Veigar | 49.89% | 942 | Even |
| Swain vs Kog'Maw | 36.35% | 916 | Kog'Maw favoured |
| Swain vs Nilah | 47.6% | 687 | Leans Nilah |
| Swain vs Corki | 50.26% | 581 | Even |
| Swain vs Karthus | 44.81% | 433 | Karthus favoured |
| Swain vs Heimerdinger | 47.22% | 216 | Leans Heimerdinger |