| MashuMashu vs Reina | 35–36 | 49.30% |
| MashuMashu vs Jin | 23–25 | 47.92% |
| MashuMashu vs Kazuya | 18–30 | 37.50% |
| MashuMashu vs King | 15–26 | 36.59% |
| MashuMashu vs Hwoarang | 14–21 | 40.00% |
| MashuMashu vs Steve | 13–21 | 38.24% |
| MashuMashu vs Lili | 10–22 | 31.25% |
| MashuMashu vs Jun | 11–20 | 35.48% |
| MashuMashu vs Eddy | 5–24 | 17.24% |
| MashuMashu vs Victor | 15–13 | 53.57% |
| MashuMashu vs Law | 14–13 | 51.85% |
| MashuMashu vs Clive | 15–12 | 55.56% |
| MashuMashu vs Lidia | 10–14 | 41.67% |
| MashuMashu vs Azucena | 6–17 | 26.09% |
| MashuMashu vs Nina | 9–13 | 40.91% |
| MashuMashu vs Paul | 6–15 | 28.57% |
| MashuMashu vs Bryan | 9–11 | 45.00% |
| MashuMashu vs Leo | 8–12 | 40.00% |
| MashuMashu vs Yoshimitsu | 5–13 | 27.78% |
| MashuMashu vs Asuka | 10–8 | 55.56% |
| MashuMashu vs Lee | 10–8 | 55.56% |
| MashuMashu vs Jack-8 | 6–9 | 40.00% |
| MashuMashu vs Alisa | 7–8 | 46.67% |
| MashuMashu vs Anna | 11–4 | 73.33% |
| MashuMashu vs Lars | 4–10 | 28.57% |
| MashuMashu vs Xiaoyu | 7–6 | 53.85% |
| MashuMashu vs Feng | 3–10 | 23.08% |
| MashuMashu vs Dragunov | 5–8 | 38.46% |
| MashuMashu vs Devil Jin | 5–7 | 41.67% |
| MashuMashu vs Heihachi | 5–7 | 41.67% |
| MashuMashu vs Kuma | 5–6 | 45.45% |
| MashuMashu vs Zafina | 9–2 | 81.82% |
| MashuMashu vs Claudio | 4–5 | 44.44% |
| MashuMashu vs Shaheen | 1–8 | 11.11% |
| MashuMashu vs Leroy | 8–1 | 88.89% |
| MashuMashu vs Raven | 5–4 | 55.56% |
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.