The champions that counter Renata Glasc hardest in support are Taric (43.77%), Senna (44.87%) and Sona (45.23%) — those are Renata Glasc's own pooled win rates. The easiest matchups are Swain (55.51%), Lux (55.12%) and Poppy (54.37%).
35 researched matchup guides for Renata Glasc in support, most-played first. Win rates are Renata Glasc's side, pooled Emerald+ games sampled July 2026.
| Matchup | Win rate | Games | Favour |
|---|---|---|---|
| Renata Glasc vs Thresh | 49.07% | 3,976 | Leans Thresh |
| Renata Glasc vs Nautilus | 51.1% | 3,190 | Leans Renata Glasc |
| Renata Glasc vs Lulu | 51.67% | 3,112 | Leans Renata Glasc |
| Renata Glasc vs Seraphine | 48.02% | 2,872 | Leans Seraphine |
| Renata Glasc vs Nami | 47.96% | 2,421 | Leans Nami |
| Renata Glasc vs Senna | 44.87% | 2,311 | Senna favoured |
| Renata Glasc vs Leona | 48.63% | 2,303 | Leans Leona |
| Renata Glasc vs Milio | 47.99% | 2,046 | Leans Milio |
| Renata Glasc vs Pyke | 53.54% | 2,034 | Leans Renata Glasc |
| Renata Glasc vs Karma | 50.44% | 1,830 | Even |
| Renata Glasc vs Bard | 52.87% | 1,670 | Leans Renata Glasc |
| Renata Glasc vs Lux | 55.12% | 1,564 | Renata Glasc favoured |
| Renata Glasc vs Soraka | 49.18% | 1,346 | Leans Soraka |
| Renata Glasc vs Rell | 50.48% | 1,260 | Even |
| Renata Glasc vs Alistar | 50.96% | 1,242 | Leans Renata Glasc |
| Renata Glasc vs Braum | 51.74% | 1,233 | Leans Renata Glasc |
| Renata Glasc vs Yuumi | 51.39% | 1,189 | Leans Renata Glasc |
| Renata Glasc vs Blitzcrank | 49.61% | 1,171 | Even |
| Renata Glasc vs Janna | 47.67% | 1,158 | Leans Janna |
| Renata Glasc vs Rakan | 50.24% | 1,037 | Even |
| Renata Glasc vs Morgana | 48.91% | 959 | Leans Morgana |
| Renata Glasc vs Zilean | 48.69% | 955 | Leans Zilean |
| Renata Glasc vs Vel'Koz | 50.83% | 903 | Leans Renata Glasc |
| Renata Glasc vs Xerath | 48.9% | 869 | Leans Xerath |
| Renata Glasc vs Sona | 45.23% | 860 | Leans Sona |
| Renata Glasc vs Galio | 50.91% | 770 | Leans Renata Glasc |
| Renata Glasc vs Poppy | 54.37% | 767 | Leans Renata Glasc |
| Renata Glasc vs Tahm Kench | 53.19% | 737 | Leans Renata Glasc |
| Renata Glasc vs Zyra | 49.93% | 715 | Even |
| Renata Glasc vs Swain | 55.51% | 663 | Renata Glasc favoured |
| Renata Glasc vs Brand | 51.53% | 652 | Leans Renata Glasc |
| Renata Glasc vs Hwei | 47.95% | 636 | Leans Hwei |
| Renata Glasc vs Neeko | 51.16% | 518 | Leans Renata Glasc |
| Renata Glasc vs Maokai | 49.18% | 484 | Leans Maokai |
| Renata Glasc vs Taric | 43.77% | 441 | Taric favoured |