| OnionOverlord vs Reina | 24–25 | 48.98% |
| OnionOverlord vs Steve | 26–13 | 66.67% |
| OnionOverlord vs King | 9–24 | 27.27% |
| OnionOverlord vs Lili | 12–17 | 41.38% |
| OnionOverlord vs Hwoarang | 13–12 | 52.00% |
| OnionOverlord vs Kuma | 11–14 | 44.00% |
| OnionOverlord vs Clive | 11–13 | 45.83% |
| OnionOverlord vs Jin | 9–14 | 39.13% |
| OnionOverlord vs Kazuya | 12–11 | 52.17% |
| OnionOverlord vs Lars | 7–14 | 33.33% |
| OnionOverlord vs Jun | 9–9 | 50.00% |
| OnionOverlord vs Law | 7–10 | 41.18% |
| OnionOverlord vs Yoshimitsu | 6–8 | 42.86% |
| OnionOverlord vs Zafina | 3–10 | 23.08% |
| OnionOverlord vs Paul | 4–8 | 33.33% |
| OnionOverlord vs Asuka | 4–7 | 36.36% |
| OnionOverlord vs Devil Jin | 6–5 | 54.55% |
| OnionOverlord vs Victor | 7–4 | 63.64% |
| OnionOverlord vs Bryan | 3–7 | 30.00% |
| OnionOverlord vs Azucena | 5–5 | 50.00% |
| OnionOverlord vs Shaheen | 2–7 | 22.22% |
| OnionOverlord vs Jack-8 | 2–6 | 25.00% |
| OnionOverlord vs Feng | 3–5 | 37.50% |
| OnionOverlord vs Alisa | 4–4 | 50.00% |
| OnionOverlord vs Leroy | 4–4 | 50.00% |
| OnionOverlord vs Lee | 1–6 | 14.29% |
| OnionOverlord vs Eddy | 1–6 | 14.29% |
| OnionOverlord vs Heihachi | 2–5 | 28.57% |
| OnionOverlord vs Nina | 3–3 | 50.00% |
| OnionOverlord vs Xiaoyu | 3–2 | 60.00% |
| OnionOverlord vs Dragunov | 3–2 | 60.00% |
| OnionOverlord vs Claudio | 1–4 | 20.00% |
| OnionOverlord vs Anna | 4–0 | 100.00% |
| OnionOverlord vs Leo | 1–2 | 33.33% |
| OnionOverlord vs Panda | 0–2 | 0.00% |
| OnionOverlord vs Raven | 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.