| Casiax vs Heihachi | 81–69 | 54.00% |
| Casiax vs Kazuya | 56–79 | 41.48% |
| Casiax vs Jin | 61–59 | 50.83% |
| Casiax vs Bryan | 54–56 | 49.09% |
| Casiax vs Steve | 50–59 | 45.87% |
| Casiax vs King | 39–57 | 40.62% |
| Casiax vs Clive | 48–34 | 58.54% |
| Casiax vs Hwoarang | 37–38 | 49.33% |
| Casiax vs Dragunov | 33–35 | 48.53% |
| Casiax vs Lili | 35–28 | 55.56% |
| Casiax vs Lee | 25–32 | 43.86% |
| Casiax vs Yoshimitsu | 17–37 | 31.48% |
| Casiax vs Reina | 24–29 | 45.28% |
| Casiax vs Law | 29–20 | 59.18% |
| Casiax vs Nina | 28–17 | 62.22% |
| Casiax vs Asuka | 19–19 | 50.00% |
| Casiax vs Lars | 13–21 | 38.24% |
| Casiax vs Azucena | 17–17 | 50.00% |
| Casiax vs Xiaoyu | 12–21 | 36.36% |
| Casiax vs Victor | 13–20 | 39.39% |
| Casiax vs Paul | 10–22 | 31.25% |
| Casiax vs Shaheen | 9–23 | 28.12% |
| Casiax vs Jun | 15–17 | 46.88% |
| Casiax vs Alisa | 11–20 | 35.48% |
| Casiax vs Feng | 13–12 | 52.00% |
| Casiax vs Devil Jin | 9–14 | 39.13% |
| Casiax vs Kuma | 11–12 | 47.83% |
| Casiax vs Leo | 9–13 | 40.91% |
| Casiax vs Zafina | 8–12 | 40.00% |
| Casiax vs Jack-8 | 8–8 | 50.00% |
| Casiax vs Leroy | 11–5 | 68.75% |
| Casiax vs Eddy | 3–12 | 20.00% |
| Casiax vs Raven | 7–4 | 63.64% |
| Casiax vs Claudio | 2–8 | 20.00% |
| Casiax vs Lidia | 6–2 | 75.00% |
| Casiax vs Panda | 2–3 | 40.00% |
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.