| Magma Heart vs Kazuya | 39–46 | 45.88% |
| Magma Heart vs Jin | 35–46 | 43.21% |
| Magma Heart vs King | 36–31 | 53.73% |
| Magma Heart vs Heihachi | 25–42 | 37.31% |
| Magma Heart vs Reina | 29–32 | 47.54% |
| Magma Heart vs Bryan | 29–29 | 50.00% |
| Magma Heart vs Steve | 36–22 | 62.07% |
| Magma Heart vs Law | 24–18 | 57.14% |
| Magma Heart vs Dragunov | 28–14 | 66.67% |
| Magma Heart vs Asuka | 20–18 | 52.63% |
| Magma Heart vs Lili | 16–22 | 42.11% |
| Magma Heart vs Hwoarang | 23–13 | 63.89% |
| Magma Heart vs Lars | 21–10 | 67.74% |
| Magma Heart vs Yoshimitsu | 15–15 | 50.00% |
| Magma Heart vs Jun | 17–9 | 65.38% |
| Magma Heart vs Lidia | 12–13 | 48.00% |
| Magma Heart vs Victor | 17–7 | 70.83% |
| Magma Heart vs Clive | 12–12 | 50.00% |
| Magma Heart vs Feng | 10–13 | 43.48% |
| Magma Heart vs Xiaoyu | 4–14 | 22.22% |
| Magma Heart vs Devil Jin | 6–11 | 35.29% |
| Magma Heart vs Paul | 12–3 | 80.00% |
| Magma Heart vs Lee | 8–6 | 57.14% |
| Magma Heart vs Jack-8 | 9–4 | 69.23% |
| Magma Heart vs Eddy | 7–6 | 53.85% |
| Magma Heart vs Leo | 4–8 | 33.33% |
| Magma Heart vs Azucena | 7–5 | 58.33% |
| Magma Heart vs Alisa | 6–4 | 60.00% |
| Magma Heart vs Nina | 7–3 | 70.00% |
| Magma Heart vs Zafina | 7–2 | 77.78% |
| Magma Heart vs Claudio | 3–3 | 50.00% |
| Magma Heart vs Leroy | 3–3 | 50.00% |
| Magma Heart vs Miary Zo | 3–2 | 60.00% |
| Magma Heart vs Shaheen | 0–4 | 0.00% |
| Magma Heart vs Anna | 1–2 | 33.33% |
| Magma Heart vs Kuma | 0–2 | 0.00% |
| Magma Heart vs Armor King | 2–0 | 100.00% |
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.