| Castunov vs Kazuya | 311–309 | 50.16% |
| Castunov vs Jin | 269–292 | 47.95% |
| Castunov vs Bryan | 263–255 | 50.77% |
| Castunov vs King | 174–207 | 45.67% |
| Castunov vs Reina | 219–146 | 60.00% |
| Castunov vs Dragunov | 168–196 | 46.15% |
| Castunov vs Law | 143–212 | 40.28% |
| Castunov vs Paul | 164–185 | 46.99% |
| Castunov vs Hwoarang | 149–174 | 46.13% |
| Castunov vs Steve | 168–133 | 55.81% |
| Castunov vs Lee | 126–147 | 46.15% |
| Castunov vs Devil Jin | 128–137 | 48.30% |
| Castunov vs Yoshimitsu | 128–127 | 50.20% |
| Castunov vs Lili | 126–129 | 49.41% |
| Castunov vs Jun | 122–102 | 54.46% |
| Castunov vs Eddy | 69–152 | 31.22% |
| Castunov vs Victor | 77–140 | 35.48% |
| Castunov vs Feng | 84–132 | 38.89% |
| Castunov vs Azucena | 100–101 | 49.75% |
| Castunov vs Xiaoyu | 97–93 | 51.05% |
| Castunov vs Lars | 75–114 | 39.68% |
| Castunov vs Leo | 81–92 | 46.82% |
| Castunov vs Nina | 81–90 | 47.37% |
| Castunov vs Alisa | 64–105 | 37.87% |
| Castunov vs Raven | 67–91 | 42.41% |
| Castunov vs Asuka | 70–86 | 44.87% |
| Castunov vs Leroy | 52–96 | 35.14% |
| Castunov vs Lidia | 63–81 | 43.75% |
| Castunov vs Zafina | 65–72 | 47.45% |
| Castunov vs Claudio | 56–75 | 42.75% |
| Castunov vs Jack-8 | 61–68 | 47.29% |
| Castunov vs Shaheen | 64–61 | 51.20% |
| Castunov vs Heihachi | 50–48 | 51.02% |
| Castunov vs Kuma | 34–38 | 47.22% |
| Castunov vs Panda | 12–40 | 23.08% |
| Castunov vs Fahkumram | 20–15 | 57.14% |
| Castunov vs Anna | 7–6 | 53.85% |
| Castunov vs Clive | 3–5 | 37.50% |
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.