| Cassie Kiddo vs Bryan | 55–30 | 64.71% |
| Cassie Kiddo vs Kazuya | 57–26 | 68.67% |
| Cassie Kiddo vs Reina | 44–34 | 56.41% |
| Cassie Kiddo vs Law | 46–31 | 59.74% |
| Cassie Kiddo vs King | 41–30 | 57.75% |
| Cassie Kiddo vs Lidia | 48–20 | 70.59% |
| Cassie Kiddo vs Paul | 37–21 | 63.79% |
| Cassie Kiddo vs Steve | 38–14 | 73.08% |
| Cassie Kiddo vs Dragunov | 26–22 | 54.17% |
| Cassie Kiddo vs Devil Jin | 30–13 | 69.77% |
| Cassie Kiddo vs Xiaoyu | 31–11 | 73.81% |
| Cassie Kiddo vs Heihachi | 29–13 | 69.05% |
| Cassie Kiddo vs Lili | 26–13–1 | 66.67% |
| Cassie Kiddo vs Hwoarang | 26–13 | 66.67% |
| Cassie Kiddo vs Jun | 21–16 | 56.76% |
| Cassie Kiddo vs Feng | 24–12 | 66.67% |
| Cassie Kiddo vs Claudio | 15–20 | 42.86% |
| Cassie Kiddo vs Yoshimitsu | 20–14 | 58.82% |
| Cassie Kiddo vs Lars | 17–16 | 51.52% |
| Cassie Kiddo vs Jack-8 | 19–13 | 59.38% |
| Cassie Kiddo vs Nina | 21–10 | 67.74% |
| Cassie Kiddo vs Alisa | 15–15 | 50.00% |
| Cassie Kiddo vs Azucena | 18–12 | 60.00% |
| Cassie Kiddo vs Jin | 14–15 | 48.28% |
| Cassie Kiddo vs Lee | 16–13 | 55.17% |
| Cassie Kiddo vs Raven | 20–9 | 68.97% |
| Cassie Kiddo vs Victor | 14–12 | 53.85% |
| Cassie Kiddo vs Asuka | 17–7 | 70.83% |
| Cassie Kiddo vs Shaheen | 14–8 | 63.64% |
| Cassie Kiddo vs Eddy | 11–9 | 55.00% |
| Cassie Kiddo vs Leroy | 10–7 | 58.82% |
| Cassie Kiddo vs Leo | 11–4 | 73.33% |
| Cassie Kiddo vs Zafina | 7–7 | 50.00% |
| Cassie Kiddo vs Panda | 7–3 | 70.00% |
| Cassie Kiddo vs Kuma | 3–2 | 60.00% |
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.