| Kyumii vs Reina | 97–143 | 40.42% |
| Kyumii vs Kazuya | 109–116 | 48.44% |
| Kyumii vs King | 89–109 | 44.95% |
| Kyumii vs Bryan | 54–136 | 28.42% |
| Kyumii vs Lidia | 72–80 | 47.37% |
| Kyumii vs Jin | 61–85 | 41.78% |
| Kyumii vs Heihachi | 35–87 | 28.69% |
| Kyumii vs Dragunov | 42–76 | 35.59% |
| Kyumii vs Steve | 49–65 | 42.98% |
| Kyumii vs Asuka | 53–56 | 48.62% |
| Kyumii vs Lee | 47–58 | 44.76% |
| Kyumii vs Law | 45–53–1 | 45.92% |
| Kyumii vs Jun | 45–54 | 45.45% |
| Kyumii vs Hwoarang | 49–45 | 52.13% |
| Kyumii vs Lili | 35–57 | 38.04% |
| Kyumii vs Azucena | 46–46 | 50.00% |
| Kyumii vs Paul | 27–62 | 30.34% |
| Kyumii vs Devil Jin | 29–55 | 34.52% |
| Kyumii vs Victor | 35–46 | 43.21% |
| Kyumii vs Yoshimitsu | 32–44 | 42.11% |
| Kyumii vs Nina | 36–40 | 47.37% |
| Kyumii vs Eddy | 30–41 | 42.25% |
| Kyumii vs Xiaoyu | 24–45 | 34.78% |
| Kyumii vs Kuma | 29–40 | 42.03% |
| Kyumii vs Lars | 25–38 | 39.68% |
| Kyumii vs Jack-8 | 38–24 | 61.29% |
| Kyumii vs Leroy | 23–34 | 40.35% |
| Kyumii vs Clive | 15–30 | 33.33% |
| Kyumii vs Feng | 17–27 | 38.64% |
| Kyumii vs Leo | 19–25 | 43.18% |
| Kyumii vs Alisa | 26–10 | 72.22% |
| Kyumii vs Claudio | 16–20 | 44.44% |
| Kyumii vs Raven | 12–17 | 41.38% |
| Kyumii vs Shaheen | 6–11 | 35.29% |
| Kyumii vs Zafina | 7–10 | 41.18% |
| Kyumii vs Panda | 4–8 | 33.33% |
| Kyumii vs Anna | 1–5 | 16.67% |
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.