| mamajensen vs King | 30–42 | 41.67% |
| mamajensen vs Hwoarang | 25–21 | 54.35% |
| mamajensen vs Clive | 22–17 | 56.41% |
| mamajensen vs Steve | 19–16 | 54.29% |
| mamajensen vs Law | 16–18 | 47.06% |
| mamajensen vs Xiaoyu | 20–12 | 62.50% |
| mamajensen vs Jin | 15–17 | 46.88% |
| mamajensen vs Azucena | 9–23 | 28.12% |
| mamajensen vs Kazuya | 17–14 | 54.84% |
| mamajensen vs Bryan | 15–15 | 50.00% |
| mamajensen vs Reina | 10–18 | 35.71% |
| mamajensen vs Asuka | 13–10 | 56.52% |
| mamajensen vs Lidia | 12–9 | 57.14% |
| mamajensen vs Heihachi | 13–8 | 61.90% |
| mamajensen vs Nina | 6–14 | 30.00% |
| mamajensen vs Eddy | 11–9 | 55.00% |
| mamajensen vs Raven | 11–7 | 61.11% |
| mamajensen vs Feng | 7–9 | 43.75% |
| mamajensen vs Lars | 9–7 | 56.25% |
| mamajensen vs Shaheen | 10–6 | 62.50% |
| mamajensen vs Jun | 7–9 | 43.75% |
| mamajensen vs Paul | 6–9 | 40.00% |
| mamajensen vs Yoshimitsu | 5–10 | 33.33% |
| mamajensen vs Dragunov | 9–5 | 64.29% |
| mamajensen vs Victor | 6–8 | 42.86% |
| mamajensen vs Lili | 8–5 | 61.54% |
| mamajensen vs Jack-8 | 9–3 | 75.00% |
| mamajensen vs Lee | 3–9 | 25.00% |
| mamajensen vs Leo | 4–6 | 40.00% |
| mamajensen vs Alisa | 4–5 | 44.44% |
| mamajensen vs Devil Jin | 4–3 | 57.14% |
| mamajensen vs Kuma | 3–2 | 60.00% |
| mamajensen vs Zafina | 2–2 | 50.00% |
| mamajensen vs Anna | 1–2 | 33.33% |
| mamajensen vs Armor King | 1–2 | 33.33% |
| mamajensen vs Claudio | 1–0 | 100.00% |
| mamajensen vs Panda | 0–1 | 0.00% |
| mamajensen vs Leroy | 0–1 | 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.