| Aizen vs Kazuya | 175–145 | 54.69% |
| Aizen vs Jin | 187–128–1 | 59.37% |
| Aizen vs King | 150–115 | 56.60% |
| Aizen vs Heihachi | 105–126 | 45.45% |
| Aizen vs Bryan | 108–113 | 48.87% |
| Aizen vs Steve | 110–79 | 58.20% |
| Aizen vs Dragunov | 91–89 | 50.56% |
| Aizen vs Hwoarang | 72–77 | 48.32% |
| Aizen vs Paul | 55–79 | 41.04% |
| Aizen vs Lee | 54–68 | 44.26% |
| Aizen vs Law | 57–58 | 49.57% |
| Aizen vs Yoshimitsu | 55–58 | 48.67% |
| Aizen vs Victor | 49–43 | 53.26% |
| Aizen vs Feng | 48–42 | 53.33% |
| Aizen vs Fahkumram | 38–42 | 47.50% |
| Aizen vs Devil Jin | 44–34 | 56.41% |
| Aizen vs Clive | 42–35 | 54.55% |
| Aizen vs Asuka | 29–38 | 43.28% |
| Aizen vs Jun | 37–26 | 58.73% |
| Aizen vs Lili | 25–37 | 40.32% |
| Aizen vs Azucena | 34–25 | 57.63% |
| Aizen vs Lars | 25–27 | 48.08% |
| Aizen vs Reina | 28–23 | 54.90% |
| Aizen vs Eddy | 19–28 | 40.43% |
| Aizen vs Xiaoyu | 21–18 | 53.85% |
| Aizen vs Nina | 12–27 | 30.77% |
| Aizen vs Alisa | 12–26 | 31.58% |
| Aizen vs Jack-8 | 8–29 | 21.62% |
| Aizen vs Leroy | 17–20 | 45.95% |
| Aizen vs Anna | 15–22 | 40.54% |
| Aizen vs Raven | 14–14 | 50.00% |
| Aizen vs Armor King | 11–13 | 45.83% |
| Aizen vs Lidia | 11–12 | 47.83% |
| Aizen vs Leo | 8–14 | 36.36% |
| Aizen vs Claudio | 7–15 | 31.82% |
| Aizen vs Shaheen | 12–8 | 60.00% |
| Aizen vs Kuma | 2–12 | 14.29% |
| Aizen vs Zafina | 5–7 | 41.67% |
| Aizen vs Miary Zo | 5–6 | 45.45% |
| Aizen vs Panda | 0–2 | 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.