| Kasey vs Jin | 5–16 | 23.81% |
| Kasey vs Steve | 13–8 | 61.90% |
| Kasey vs Jun | 7–13 | 35.00% |
| Kasey vs Reina | 10–10 | 50.00% |
| Kasey vs Law | 3–14 | 17.65% |
| Kasey vs King | 3–11 | 21.43% |
| Kasey vs Dragunov | 7–7 | 50.00% |
| Kasey vs Paul | 4–9 | 30.77% |
| Kasey vs Clive | 4–9 | 30.77% |
| Kasey vs Alisa | 2–9 | 18.18% |
| Kasey vs Eddy | 3–8 | 27.27% |
| Kasey vs Yoshimitsu | 2–8 | 20.00% |
| Kasey vs Hwoarang | 8–2 | 80.00% |
| Kasey vs Kazuya | 1–8 | 11.11% |
| Kasey vs Lili | 4–5 | 44.44% |
| Kasey vs Raven | 4–5 | 44.44% |
| Kasey vs Heihachi | 2–7 | 22.22% |
| Kasey vs Xiaoyu | 4–4 | 50.00% |
| Kasey vs Jack-8 | 3–4 | 42.86% |
| Kasey vs Asuka | 4–3 | 57.14% |
| Kasey vs Lee | 6–1 | 85.71% |
| Kasey vs Lidia | 2–4 | 33.33% |
| Kasey vs Bryan | 2–3 | 40.00% |
| Kasey vs Victor | 4–1 | 80.00% |
| Kasey vs Lars | 2–2 | 50.00% |
| Kasey vs Nina | 2–2 | 50.00% |
| Kasey vs Leroy | 2–2 | 50.00% |
| Kasey vs Azucena | 0–4 | 0.00% |
| Kasey vs Claudio | 2–1 | 66.67% |
| Kasey vs Shaheen | 1–2 | 33.33% |
| Kasey vs Kuma | 0–3 | 0.00% |
| Kasey vs Zafina | 2–1 | 66.67% |
| Kasey vs Devil Jin | 0–2 | 0.00% |
| Kasey vs Anna | 0–2 | 0.00% |
| Kasey vs Feng | 0–1 | 0.00% |
| Kasey vs Leo | 1–0 | 100.00% |
| Kasey vs Fahkumram | 0–1 | 0.00% |
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.