| KeiJiRo vs Kazuya | 134–150 | 47.18% |
| KeiJiRo vs Jin | 97–116 | 45.54% |
| KeiJiRo vs Reina | 90–93 | 49.18% |
| KeiJiRo vs King | 77–104 | 42.54% |
| KeiJiRo vs Bryan | 67–89 | 42.95% |
| KeiJiRo vs Hwoarang | 64–86 | 42.67% |
| KeiJiRo vs Law | 48–64 | 42.86% |
| KeiJiRo vs Lili | 54–55 | 49.54% |
| KeiJiRo vs Heihachi | 44–65 | 40.37% |
| KeiJiRo vs Steve | 42–65 | 39.25% |
| KeiJiRo vs Dragunov | 47–51 | 47.96% |
| KeiJiRo vs Yoshimitsu | 54–40 | 57.45% |
| KeiJiRo vs Paul | 45–47 | 48.91% |
| KeiJiRo vs Jun | 25–60 | 29.41% |
| KeiJiRo vs Devil Jin | 38–40 | 48.72% |
| KeiJiRo vs Nina | 51–26 | 66.23% |
| KeiJiRo vs Armor King | 35–37 | 48.61% |
| KeiJiRo vs Lars | 28–41 | 40.58% |
| KeiJiRo vs Asuka | 31–36 | 46.27% |
| KeiJiRo vs Eddy | 28–39 | 41.79% |
| KeiJiRo vs Azucena | 29–31 | 48.33% |
| KeiJiRo vs Lee | 24–31 | 43.64% |
| KeiJiRo vs Xiaoyu | 30–23 | 56.60% |
| KeiJiRo vs Feng | 21–31 | 40.38% |
| KeiJiRo vs Claudio | 19–27 | 41.30% |
| KeiJiRo vs Alisa | 15–28 | 34.88% |
| KeiJiRo vs Raven | 24–17 | 58.54% |
| KeiJiRo vs Victor | 14–26 | 35.00% |
| KeiJiRo vs Lidia | 12–26 | 31.58% |
| KeiJiRo vs Zafina | 18–19 | 48.65% |
| KeiJiRo vs Miary Zo | 14–20 | 41.18% |
| KeiJiRo vs Leroy | 14–17 | 45.16% |
| KeiJiRo vs Kuma | 8–22 | 26.67% |
| KeiJiRo vs Jack-8 | 12–17 | 41.38% |
| KeiJiRo vs Leo | 14–13 | 51.85% |
| KeiJiRo vs Fahkumram | 17–9 | 65.38% |
| KeiJiRo vs Shaheen | 5–15 | 25.00% |
| KeiJiRo vs Anna | 9–6 | 60.00% |
| KeiJiRo vs Panda | 5–8 | 38.46% |
| KeiJiRo vs Clive | 2–7 | 22.22% |
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.