| Mayumura vs Jin | 34–15 | 69.39% |
| Mayumura vs Reina | 29–18 | 61.70% |
| Mayumura vs Kazuya | 26–15 | 63.41% |
| Mayumura vs Bryan | 14–20 | 41.18% |
| Mayumura vs Dragunov | 19–15 | 55.88% |
| Mayumura vs King | 10–16 | 38.46% |
| Mayumura vs Steve | 9–13 | 40.91% |
| Mayumura vs Law | 9–9 | 50.00% |
| Mayumura vs Jun | 11–6 | 64.71% |
| Mayumura vs Azucena | 9–8 | 52.94% |
| Mayumura vs Heihachi | 9–8 | 52.94% |
| Mayumura vs Devil Jin | 8–6 | 57.14% |
| Mayumura vs Yoshimitsu | 7–6 | 53.85% |
| Mayumura vs Lili | 10–3 | 76.92% |
| Mayumura vs Victor | 4–9 | 30.77% |
| Mayumura vs Jack-8 | 6–6 | 50.00% |
| Mayumura vs Leo | 6–6 | 50.00% |
| Mayumura vs Hwoarang | 4–7 | 36.36% |
| Mayumura vs Asuka | 6–5 | 54.55% |
| Mayumura vs Feng | 5–6 | 45.45% |
| Mayumura vs Lars | 4–7 | 36.36% |
| Mayumura vs Claudio | 8–3 | 72.73% |
| Mayumura vs Paul | 7–3 | 70.00% |
| Mayumura vs Xiaoyu | 3–7 | 30.00% |
| Mayumura vs Shaheen | 8–2 | 80.00% |
| Mayumura vs Nina | 4–4 | 50.00% |
| Mayumura vs Raven | 5–3 | 62.50% |
| Mayumura vs Lidia | 2–5 | 28.57% |
| Mayumura vs Kuma | 5–1 | 83.33% |
| Mayumura vs Leroy | 4–2 | 66.67% |
| Mayumura vs Eddy | 4–2 | 66.67% |
| Mayumura vs Alisa | 3–2 | 60.00% |
| Mayumura vs Lee | 3–2 | 60.00% |
| Mayumura vs Clive | 0–5 | 0.00% |
| Mayumura vs Panda | 0–1 | 0.00% |
| Mayumura vs Zafina | 1–0 | 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.