| CassieJ vs Reina | 27–6 | 81.82% |
| CassieJ vs Jin | 16–12 | 57.14% |
| CassieJ vs Dragunov | 16–9 | 64.00% |
| CassieJ vs Lili | 11–6 | 64.71% |
| CassieJ vs Kazuya | 10–6 | 62.50% |
| CassieJ vs King | 6–9 | 40.00% |
| CassieJ vs Xiaoyu | 11–3 | 78.57% |
| CassieJ vs Asuka | 5–9 | 35.71% |
| CassieJ vs Hwoarang | 6–7 | 46.15% |
| CassieJ vs Devil Jin | 5–7 | 41.67% |
| CassieJ vs Victor | 5–5 | 50.00% |
| CassieJ vs Yoshimitsu | 5–4 | 55.56% |
| CassieJ vs Bryan | 6–3 | 66.67% |
| CassieJ vs Steve | 5–4 | 55.56% |
| CassieJ vs Alisa | 7–2 | 77.78% |
| CassieJ vs Nina | 6–3 | 66.67% |
| CassieJ vs Jun | 3–6 | 33.33% |
| CassieJ vs Paul | 2–6 | 25.00% |
| CassieJ vs Clive | 2–6 | 25.00% |
| CassieJ vs Kuma | 4–3 | 57.14% |
| CassieJ vs Eddy | 3–4 | 42.86% |
| CassieJ vs Law | 4–2 | 66.67% |
| CassieJ vs Fahkumram | 5–0 | 100.00% |
| CassieJ vs Raven | 2–2 | 50.00% |
| CassieJ vs Jack-8 | 2–1 | 66.67% |
| CassieJ vs Claudio | 1–2 | 33.33% |
| CassieJ vs Shaheen | 3–0 | 100.00% |
| CassieJ vs Azucena | 2–0 | 100.00% |
| CassieJ vs Lars | 0–1 | 0.00% |
| CassieJ vs Lee | 1–0 | 100.00% |
| CassieJ vs Panda | 1–0 | 100.00% |
| CassieJ vs Leroy | 1–0 | 100.00% |
| CassieJ vs Heihachi | 1–0 | 100.00% |
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.