| King Ef vs King | 10–9 | 52.63% |
| King Ef vs Steve | 12–5 | 70.59% |
| King Ef vs Jin | 7–9 | 43.75% |
| King Ef vs Bryan | 11–4 | 73.33% |
| King Ef vs Nina | 7–5 | 58.33% |
| King Ef vs Law | 4–7 | 36.36% |
| King Ef vs Paul | 4–5 | 44.44% |
| King Ef vs Hwoarang | 2–6 | 25.00% |
| King Ef vs Eddy | 2–6 | 25.00% |
| King Ef vs Dragunov | 5–2 | 71.43% |
| King Ef vs Yoshimitsu | 3–3 | 50.00% |
| King Ef vs Lars | 3–3 | 50.00% |
| King Ef vs Reina | 4–2 | 66.67% |
| King Ef vs Victor | 2–4 | 33.33% |
| King Ef vs Feng | 4–1 | 80.00% |
| King Ef vs Azucena | 3–2 | 60.00% |
| King Ef vs Raven | 1–4 | 20.00% |
| King Ef vs Kazuya | 2–2 | 50.00% |
| King Ef vs Leroy | 4–0 | 100.00% |
| King Ef vs Devil Jin | 2–1 | 66.67% |
| King Ef vs Shaheen | 2–1 | 66.67% |
| King Ef vs Jun | 0–3 | 0.00% |
| King Ef vs Asuka | 2–0 | 100.00% |
| King Ef vs Lili | 0–2 | 0.00% |
| King Ef vs Leo | 2–0 | 100.00% |
| King Ef vs Alisa | 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.