| Kain vs King | 21–6 | 77.78% |
| Kain vs Kazuya | 16–7 | 69.57% |
| Kain vs Paul | 16–6 | 72.73% |
| Kain vs Steve | 17–5 | 77.27% |
| Kain vs Jin | 12–8 | 60.00% |
| Kain vs Bryan | 10–7 | 58.82% |
| Kain vs Lili | 10–7 | 58.82% |
| Kain vs Reina | 11–6 | 64.71% |
| Kain vs Clive | 11–5 | 68.75% |
| Kain vs Yoshimitsu | 6–8 | 42.86% |
| Kain vs Dragunov | 6–6 | 50.00% |
| Kain vs Hwoarang | 7–4 | 63.64% |
| Kain vs Victor | 7–3 | 70.00% |
| Kain vs Devil Jin | 7–2 | 77.78% |
| Kain vs Alisa | 5–4 | 55.56% |
| Kain vs Jack-8 | 3–5 | 37.50% |
| Kain vs Asuka | 6–2 | 75.00% |
| Kain vs Lee | 5–3 | 62.50% |
| Kain vs Lars | 2–5 | 28.57% |
| Kain vs Kuma | 4–3 | 57.14% |
| Kain vs Azucena | 4–3 | 57.14% |
| Kain vs Law | 4–2 | 66.67% |
| Kain vs Xiaoyu | 5–1 | 83.33% |
| Kain vs Feng | 3–2 | 60.00% |
| Kain vs Leo | 3–1 | 75.00% |
| Kain vs Claudio | 2–2 | 50.00% |
| Kain vs Nina | 3–1 | 75.00% |
| Kain vs Zafina | 4–0 | 100.00% |
| Kain vs Raven | 3–1 | 75.00% |
| Kain vs Leroy | 0–2 | 0.00% |
| Kain vs Jun | 1–1 | 50.00% |
| Kain vs Eddy | 0–2 | 0.00% |
| Kain vs Lidia | 2–0 | 100.00% |
| Kain vs Heihachi | 2–0 | 100.00% |
| Kain vs Anna | 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.