| B1-66ER vs Kazuya | 7–34 | 17.07% |
| B1-66ER vs Clive | 11–19 | 36.67% |
| B1-66ER vs Reina | 15–11 | 57.69% |
| B1-66ER vs Dragunov | 9–12 | 42.86% |
| B1-66ER vs Jin | 8–12 | 40.00% |
| B1-66ER vs Bryan | 2–18 | 10.00% |
| B1-66ER vs Steve | 9–11 | 45.00% |
| B1-66ER vs Lili | 10–10 | 50.00% |
| B1-66ER vs Hwoarang | 6–11 | 35.29% |
| B1-66ER vs Xiaoyu | 4–12 | 25.00% |
| B1-66ER vs Asuka | 7–8 | 46.67% |
| B1-66ER vs Paul | 7–7 | 50.00% |
| B1-66ER vs Heihachi | 4–9 | 30.77% |
| B1-66ER vs Jack-8 | 3–9 | 25.00% |
| B1-66ER vs Law | 5–5 | 50.00% |
| B1-66ER vs King | 4–6 | 40.00% |
| B1-66ER vs Devil Jin | 7–3 | 70.00% |
| B1-66ER vs Lars | 2–8 | 20.00% |
| B1-66ER vs Alisa | 5–3 | 62.50% |
| B1-66ER vs Leroy | 5–3 | 62.50% |
| B1-66ER vs Feng | 4–3 | 57.14% |
| B1-66ER vs Yoshimitsu | 2–4 | 33.33% |
| B1-66ER vs Azucena | 2–4 | 33.33% |
| B1-66ER vs Victor | 5–1 | 83.33% |
| B1-66ER vs Raven | 3–3 | 50.00% |
| B1-66ER vs Shaheen | 2–2 | 50.00% |
| B1-66ER vs Nina | 2–2 | 50.00% |
| B1-66ER vs Kuma | 4–0 | 100.00% |
| B1-66ER vs Lidia | 1–2 | 33.33% |
| B1-66ER vs Panda | 2–0 | 100.00% |
| B1-66ER vs Eddy | 0–2 | 0.00% |
| B1-66ER vs Anna | 0–2 | 0.00% |
| B1-66ER vs Miary Zo | 0–2 | 0.00% |
| B1-66ER vs Lee | 1–0 | 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.