| Grimnir vs Reina | 47–43 | 52.22% |
| Grimnir vs Jin | 36–43 | 45.57% |
| Grimnir vs Kazuya | 37–37 | 50.00% |
| Grimnir vs King | 33–36 | 47.83% |
| Grimnir vs Hwoarang | 15–30 | 33.33% |
| Grimnir vs Bryan | 18–24 | 42.86% |
| Grimnir vs Steve | 21–20 | 51.22% |
| Grimnir vs Yoshimitsu | 19–19 | 50.00% |
| Grimnir vs Azucena | 22–16 | 57.89% |
| Grimnir vs Paul | 14–23 | 37.84% |
| Grimnir vs Feng | 16–18 | 47.06% |
| Grimnir vs Nina | 21–13 | 61.76% |
| Grimnir vs Eddy | 14–20 | 41.18% |
| Grimnir vs Lili | 17–16 | 51.52% |
| Grimnir vs Dragunov | 16–17 | 48.48% |
| Grimnir vs Law | 8–23 | 25.81% |
| Grimnir vs Jun | 15–15 | 50.00% |
| Grimnir vs Victor | 11–16 | 40.74% |
| Grimnir vs Alisa | 11–15 | 42.31% |
| Grimnir vs Claudio | 9–16 | 36.00% |
| Grimnir vs Asuka | 11–13 | 45.83% |
| Grimnir vs Devil Jin | 6–14 | 30.00% |
| Grimnir vs Lee | 12–8 | 60.00% |
| Grimnir vs Heihachi | 7–12 | 36.84% |
| Grimnir vs Xiaoyu | 4–14 | 22.22% |
| Grimnir vs Kuma | 6–11 | 35.29% |
| Grimnir vs Jack-8 | 6–10 | 37.50% |
| Grimnir vs Lars | 11–5 | 68.75% |
| Grimnir vs Leo | 10–3 | 76.92% |
| Grimnir vs Shaheen | 4–8 | 33.33% |
| Grimnir vs Leroy | 5–5 | 50.00% |
| Grimnir vs Zafina | 2–4 | 33.33% |
| Grimnir vs Lidia | 4–0 | 100.00% |
| Grimnir vs Panda | 2–1 | 66.67% |
| Grimnir vs Raven | 0–2 | 0.00% |
Limitations
This data is often requested to give insight into which characters you have more trouble with than others, but it is not particularly helpful for that. The main issue is that it is heavily skewed by how strong the opponents you play are.
For example, this data suggests my worst matchup is clearly vs Reina, but that's just because most of those games are vs Yagami.
There is a way to account for this being worked on. The central idea is to assign each matchup a rating vs you which adjusts based on the result, much like the regular rating but also based on the rating of each player. With this, it would give a better summary of how well you perform vs each character.
In the meantime, this page is here to present the data as requested.