| Mattycakes vs Bryan | 77–85 | 47.53% |
| Mattycakes vs Kazuya | 62–71 | 46.62% |
| Mattycakes vs Jin | 62–67 | 48.06% |
| Mattycakes vs King | 61–67 | 47.66% |
| Mattycakes vs Yoshimitsu | 71–42 | 62.83% |
| Mattycakes vs Steve | 46–60 | 43.40% |
| Mattycakes vs Hwoarang | 45–49 | 47.87% |
| Mattycakes vs Dragunov | 51–41 | 55.43% |
| Mattycakes vs Law | 48–34 | 58.54% |
| Mattycakes vs Reina | 34–28 | 54.84% |
| Mattycakes vs Lee | 20–36 | 35.71% |
| Mattycakes vs Paul | 27–28 | 49.09% |
| Mattycakes vs Devil Jin | 29–26 | 52.73% |
| Mattycakes vs Feng | 28–19 | 59.57% |
| Mattycakes vs Lars | 28–19 | 59.57% |
| Mattycakes vs Azucena | 24–23 | 51.06% |
| Mattycakes vs Jack-8 | 25–17 | 59.52% |
| Mattycakes vs Victor | 22–19 | 53.66% |
| Mattycakes vs Lili | 16–22 | 42.11% |
| Mattycakes vs Nina | 17–17 | 50.00% |
| Mattycakes vs Alisa | 11–22 | 33.33% |
| Mattycakes vs Claudio | 17–14 | 54.84% |
| Mattycakes vs Asuka | 15–15 | 50.00% |
| Mattycakes vs Eddy | 20–9 | 68.97% |
| Mattycakes vs Jun | 16–12 | 57.14% |
| Mattycakes vs Leo | 17–8 | 68.00% |
| Mattycakes vs Lidia | 12–13 | 48.00% |
| Mattycakes vs Xiaoyu | 9–9 | 50.00% |
| Mattycakes vs Heihachi | 8–9 | 47.06% |
| Mattycakes vs Leroy | 7–8 | 46.67% |
| Mattycakes vs Shaheen | 7–6 | 53.85% |
| Mattycakes vs Panda | 5–7 | 41.67% |
| Mattycakes vs Kuma | 4–7 | 36.36% |
| Mattycakes vs Raven | 5–6 | 45.45% |
| Mattycakes vs Zafina | 4–2 | 66.67% |
| Mattycakes vs Clive | 1–1 | 50.00% |
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.