| Onibaba vs Jin | 30–58 | 34.09% |
| Onibaba vs Kazuya | 32–48 | 40.00% |
| Onibaba vs King | 33–41 | 44.59% |
| Onibaba vs Bryan | 28–41 | 40.58% |
| Onibaba vs Hwoarang | 33–34–1 | 49.25% |
| Onibaba vs Law | 33–28 | 54.10% |
| Onibaba vs Paul | 24–26 | 48.00% |
| Onibaba vs Eddy | 21–26 | 44.68% |
| Onibaba vs Steve | 25–21 | 54.35% |
| Onibaba vs Lili | 30–15 | 66.67% |
| Onibaba vs Reina | 20–21 | 48.78% |
| Onibaba vs Yoshimitsu | 17–23 | 42.50% |
| Onibaba vs Dragunov | 22–17 | 56.41% |
| Onibaba vs Jun | 15–21 | 41.67% |
| Onibaba vs Xiaoyu | 13–20 | 39.39% |
| Onibaba vs Heihachi | 9–24 | 27.27% |
| Onibaba vs Lars | 10–21 | 32.26% |
| Onibaba vs Devil Jin | 17–10 | 62.96% |
| Onibaba vs Nina | 17–10 | 62.96% |
| Onibaba vs Asuka | 14–12 | 53.85% |
| Onibaba vs Victor | 13–13 | 50.00% |
| Onibaba vs Feng | 11–13 | 45.83% |
| Onibaba vs Azucena | 12–12 | 50.00% |
| Onibaba vs Alisa | 9–12 | 42.86% |
| Onibaba vs Lee | 2–19 | 9.52% |
| Onibaba vs Claudio | 8–8 | 50.00% |
| Onibaba vs Jack-8 | 7–7 | 50.00% |
| Onibaba vs Leo | 9–4 | 69.23% |
| Onibaba vs Leroy | 4–7 | 36.36% |
| Onibaba vs Kuma | 2–7 | 22.22% |
| Onibaba vs Raven | 3–6 | 33.33% |
| Onibaba vs Lidia | 4–5 | 44.44% |
| Onibaba vs Miary Zo | 5–3 | 62.50% |
| Onibaba vs Shaheen | 2–3 | 40.00% |
| Onibaba vs Zafina | 2–3 | 40.00% |
| Onibaba vs Fahkumram | 2–2 | 50.00% |
| Onibaba vs Armor King | 3–1 | 75.00% |
| Onibaba vs Clive | 3–0 | 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.