The champions that counter Milio hardest in support are Sona (45.99%), Blitzcrank (46.36%) and Senna (47.16%) — those are Milio's own pooled win rates. The easiest matchups are Morgana (55.91%), Neeko (54.9%) and Brand (54.27%).
35 researched matchup guides for Milio in support, most-played first. Win rates are Milio's side, pooled Emerald+ games sampled July 2026.
| Matchup | Win rate | Games | Favour |
|---|---|---|---|
| Milio vs Seraphine | 49.6% | 23,281 | Even |
| Milio vs Thresh | 47.96% | 21,375 | Leans Thresh |
| Milio vs Lulu | 49.58% | 20,225 | Even |
| Milio vs Nami | 51.34% | 18,145 | Leans Milio |
| Milio vs Nautilus | 48.47% | 15,146 | Leans Nautilus |
| Milio vs Senna | 47.16% | 13,864 | Leans Senna |
| Milio vs Karma | 49.33% | 13,062 | Even |
| Milio vs Leona | 49.11% | 11,868 | Leans Leona |
| Milio vs Lux | 52.11% | 10,400 | Leans Milio |
| Milio vs Pyke | 51.36% | 9,673 | Leans Milio |
| Milio vs Bard | 51.13% | 9,241 | Leans Milio |
| Milio vs Blitzcrank | 46.36% | 8,896 | Leans Blitzcrank |
| Milio vs Soraka | 50.27% | 8,846 | Even |
| Milio vs Yuumi | 51.51% | 8,111 | Leans Milio |
| Milio vs Braum | 47.52% | 6,896 | Leans Braum |
| Milio vs Morgana | 55.91% | 6,868 | Milio favoured |
| Milio vs Sona | 45.99% | 6,839 | Leans Sona |
| Milio vs Janna | 49.16% | 6,446 | Leans Janna |
| Milio vs Vel'Koz | 50.57% | 6,087 | Even |
| Milio vs Xerath | 51.39% | 5,680 | Leans Milio |
| Milio vs Zilean | 50.5% | 5,291 | Even |
| Milio vs Rakan | 50.54% | 5,214 | Even |
| Milio vs Rell | 50.03% | 5,053 | Even |
| Milio vs Alistar | 50.47% | 4,793 | Even |
| Milio vs Zyra | 52.17% | 4,533 | Leans Milio |
| Milio vs Brand | 54.27% | 4,408 | Leans Milio |
| Milio vs Hwei | 51.04% | 4,052 | Leans Milio |
| Milio vs Tahm Kench | 49.21% | 4,028 | Leans Tahm Kench |
| Milio vs Swain | 53.9% | 3,972 | Leans Milio |
| Milio vs Galio | 51.72% | 3,600 | Leans Milio |
| Milio vs Poppy | 48.94% | 2,848 | Leans Poppy |
| Milio vs Neeko | 54.9% | 2,741 | Leans Milio |
| Milio vs Maokai | 51.02% | 2,695 | Leans Milio |
| Milio vs Renata Glasc | 52.01% | 2,046 | Leans Milio |
| Milio vs Taric | 49.04% | 2,039 | Leans Taric |