| Castle vs Clive | 42–6 | 87.50% |
| Castle vs Kazuya | 24–5 | 82.76% |
| Castle vs King | 12–4 | 75.00% |
| Castle vs Victor | 14–1 | 93.33% |
| Castle vs Hwoarang | 8–5 | 61.54% |
| Castle vs Jin | 11–2 | 84.62% |
| Castle vs Steve | 11–1 | 91.67% |
| Castle vs Lars | 7–5 | 58.33% |
| Castle vs Paul | 7–4 | 63.64% |
| Castle vs Dragunov | 8–2 | 80.00% |
| Castle vs Reina | 9–1 | 90.00% |
| Castle vs Yoshimitsu | 6–3 | 66.67% |
| Castle vs Jun | 7–2 | 77.78% |
| Castle vs Asuka | 7–1 | 87.50% |
| Castle vs Devil Jin | 6–2 | 75.00% |
| Castle vs Lili | 8–0 | 100.00% |
| Castle vs Law | 6–1 | 85.71% |
| Castle vs Bryan | 7–0 | 100.00% |
| Castle vs Heihachi | 4–3 | 57.14% |
| Castle vs Xiaoyu | 5–1 | 83.33% |
| Castle vs Nina | 4–2 | 66.67% |
| Castle vs Jack-8 | 3–2 | 60.00% |
| Castle vs Shaheen | 4–1 | 80.00% |
| Castle vs Lee | 4–1 | 80.00% |
| Castle vs Alisa | 3–0 | 100.00% |
| Castle vs Zafina | 1–2 | 33.33% |
| Castle vs Leroy | 2–1 | 66.67% |
| Castle vs Azucena | 2–0 | 100.00% |
| Castle vs Lidia | 1–1 | 50.00% |
| Castle vs Feng | 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.