| Captain Aizen vs Reina | 24–25 | 48.98% |
| Captain Aizen vs Eddy | 17–30 | 36.17% |
| Captain Aizen vs Hwoarang | 12–32 | 27.27% |
| Captain Aizen vs Kazuya | 16–25 | 39.02% |
| Captain Aizen vs Law | 18–21 | 46.15% |
| Captain Aizen vs Bryan | 13–26 | 33.33% |
| Captain Aizen vs Steve | 22–17 | 56.41% |
| Captain Aizen vs King | 13–22 | 37.14% |
| Captain Aizen vs Lili | 20–14 | 58.82% |
| Captain Aizen vs Jin | 15–17 | 46.88% |
| Captain Aizen vs Victor | 19–12 | 61.29% |
| Captain Aizen vs Jun | 10–19 | 34.48% |
| Captain Aizen vs Lars | 10–16 | 38.46% |
| Captain Aizen vs Azucena | 9–17 | 34.62% |
| Captain Aizen vs Dragunov | 5–18 | 21.74% |
| Captain Aizen vs Yoshimitsu | 7–12 | 36.84% |
| Captain Aizen vs Paul | 11–6 | 64.71% |
| Captain Aizen vs Leo | 9–8 | 52.94% |
| Captain Aizen vs Lee | 8–9 | 47.06% |
| Captain Aizen vs Xiaoyu | 5–10 | 33.33% |
| Captain Aizen vs Shaheen | 6–8 | 42.86% |
| Captain Aizen vs Asuka | 3–9 | 25.00% |
| Captain Aizen vs Raven | 5–7 | 41.67% |
| Captain Aizen vs Feng | 7–3 | 70.00% |
| Captain Aizen vs Alisa | 4–6 | 40.00% |
| Captain Aizen vs Nina | 1–9 | 10.00% |
| Captain Aizen vs Zafina | 4–4 | 50.00% |
| Captain Aizen vs Leroy | 3–5 | 37.50% |
| Captain Aizen vs Jack-8 | 1–5 | 16.67% |
| Captain Aizen vs Claudio | 3–2 | 60.00% |
| Captain Aizen vs Devil Jin | 1–1 | 50.00% |
| Captain Aizen vs Panda | 2–0 | 100.00% |
| Captain Aizen vs Kuma | 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.