| ButterBoss vs Heihachi | 110–96 | 53.40% |
| ButterBoss vs Kazuya | 98–103 | 48.76% |
| ButterBoss vs Jin | 101–74 | 57.71% |
| ButterBoss vs Bryan | 76–91 | 45.51% |
| ButterBoss vs King | 83–83 | 50.00% |
| ButterBoss vs Reina | 72–71 | 50.35% |
| ButterBoss vs Steve | 75–52 | 59.06% |
| ButterBoss vs Paul | 62–61 | 50.41% |
| ButterBoss vs Dragunov | 61–60 | 50.41% |
| ButterBoss vs Hwoarang | 46–58 | 44.23% |
| ButterBoss vs Lee | 45–47 | 48.91% |
| ButterBoss vs Armor King | 40–49 | 44.94% |
| ButterBoss vs Azucena | 47–41 | 53.41% |
| ButterBoss vs Lidia | 50–38 | 56.82% |
| ButterBoss vs Lili | 34–48 | 41.46% |
| ButterBoss vs Jun | 53–29 | 64.63% |
| ButterBoss vs Law | 32–49 | 39.51% |
| ButterBoss vs Eddy | 46–31 | 59.74% |
| ButterBoss vs Fahkumram | 37–36 | 50.68% |
| ButterBoss vs Xiaoyu | 33–36 | 47.83% |
| ButterBoss vs Clive | 37–30 | 55.22% |
| ButterBoss vs Lars | 37–25 | 59.68% |
| ButterBoss vs Alisa | 25–37 | 40.32% |
| ButterBoss vs Victor | 28–33 | 45.90% |
| ButterBoss vs Yoshimitsu | 24–36 | 40.00% |
| ButterBoss vs Asuka | 28–31 | 47.46% |
| ButterBoss vs Leroy | 25–33 | 43.10% |
| ButterBoss vs Raven | 19–38 | 33.33% |
| ButterBoss vs Nina | 32–24 | 57.14% |
| ButterBoss vs Leo | 26–22 | 54.17% |
| ButterBoss vs Devil Jin | 20–26 | 43.48% |
| ButterBoss vs Anna | 20–24 | 45.45% |
| ButterBoss vs Miary Zo | 24–17 | 58.54% |
| ButterBoss vs Feng | 17–21 | 44.74% |
| ButterBoss vs Zafina | 20–18 | 52.63% |
| ButterBoss vs Jack-8 | 17–13 | 56.67% |
| ButterBoss vs Shaheen | 7–17 | 29.17% |
| ButterBoss vs Claudio | 16–6 | 72.73% |
| ButterBoss vs Kuma | 8–10 | 44.44% |
| ButterBoss vs Panda | 5–7 | 41.67% |
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.