| Mephadow vs Hwoarang | 50–68 | 42.37% |
| Mephadow vs Kazuya | 38–77 | 33.04% |
| Mephadow vs Jin | 38–66 | 36.54% |
| Mephadow vs Reina | 54–42 | 56.25% |
| Mephadow vs King | 33–56 | 37.08% |
| Mephadow vs Eddy | 39–48 | 44.83% |
| Mephadow vs Law | 28–55 | 33.73% |
| Mephadow vs Yoshimitsu | 31–34 | 47.69% |
| Mephadow vs Bryan | 23–41 | 35.94% |
| Mephadow vs Steve | 28–33 | 45.90% |
| Mephadow vs Lili | 29–30 | 49.15% |
| Mephadow vs Victor | 24–30 | 44.44% |
| Mephadow vs Asuka | 20–33 | 37.74% |
| Mephadow vs Devil Jin | 18–34 | 34.62% |
| Mephadow vs Azucena | 30–21 | 58.82% |
| Mephadow vs Jun | 23–26 | 46.94% |
| Mephadow vs Paul | 29–16 | 64.44% |
| Mephadow vs Dragunov | 22–23 | 48.89% |
| Mephadow vs Feng | 17–25 | 40.48% |
| Mephadow vs Nina | 19–22 | 46.34% |
| Mephadow vs Lars | 5–30 | 14.29% |
| Mephadow vs Lee | 16–15 | 51.61% |
| Mephadow vs Xiaoyu | 14–16 | 46.67% |
| Mephadow vs Leroy | 12–12 | 50.00% |
| Mephadow vs Claudio | 7–16 | 30.43% |
| Mephadow vs Alisa | 5–17 | 22.73% |
| Mephadow vs Kuma | 6–15 | 28.57% |
| Mephadow vs Raven | 10–10 | 50.00% |
| Mephadow vs Jack-8 | 6–9 | 40.00% |
| Mephadow vs Zafina | 8–5 | 61.54% |
| Mephadow vs Leo | 6–6 | 50.00% |
| Mephadow vs Shaheen | 3–4 | 42.86% |
| Mephadow vs Panda | 3–4 | 42.86% |
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.