| Castiel vs Kazuya | 253–233 | 52.06% |
| Castiel vs Jin | 239–221 | 51.96% |
| Castiel vs Bryan | 180–196 | 47.87% |
| Castiel vs Reina | 173–119 | 59.25% |
| Castiel vs Dragunov | 136–142 | 48.92% |
| Castiel vs Hwoarang | 132–125 | 51.36% |
| Castiel vs Lee | 132–125 | 51.36% |
| Castiel vs Steve | 104–119 | 46.64% |
| Castiel vs King | 94–121 | 43.72% |
| Castiel vs Heihachi | 111–102 | 52.11% |
| Castiel vs Paul | 117–92 | 55.98% |
| Castiel vs Law | 85–123 | 40.87% |
| Castiel vs Lili | 103–93 | 52.55% |
| Castiel vs Yoshimitsu | 80–112 | 41.67% |
| Castiel vs Devil Jin | 92–83 | 52.57% |
| Castiel vs Lars | 89–80 | 52.66% |
| Castiel vs Jun | 74–83 | 47.13% |
| Castiel vs Azucena | 73–77 | 48.67% |
| Castiel vs Eddy | 79–60 | 56.83% |
| Castiel vs Asuka | 68–70 | 49.28% |
| Castiel vs Feng | 67–61 | 52.34% |
| Castiel vs Victor | 67–59 | 53.17% |
| Castiel vs Alisa | 55–67 | 45.08% |
| Castiel vs Lidia | 58–60 | 49.15% |
| Castiel vs Nina | 50–53 | 48.54% |
| Castiel vs Leo | 41–59 | 41.00% |
| Castiel vs Claudio | 54–44 | 55.10% |
| Castiel vs Xiaoyu | 46–50 | 47.92% |
| Castiel vs Jack-8 | 52–43 | 54.74% |
| Castiel vs Raven | 29–57 | 33.72% |
| Castiel vs Zafina | 37–37 | 50.00% |
| Castiel vs Armor King | 36–37 | 49.32% |
| Castiel vs Shaheen | 29–36 | 44.62% |
| Castiel vs Leroy | 32–30 | 51.61% |
| Castiel vs Kuma | 23–35 | 39.66% |
| Castiel vs Fahkumram | 17–36 | 32.08% |
| Castiel vs Clive | 16–36 | 30.77% |
| Castiel vs Anna | 12–16 | 42.86% |
| Castiel vs Panda | 9–11 | 45.00% |
| Castiel vs Miary Zo | 7–1 | 87.50% |
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.