| Jaff vs King | 11–8 | 57.89% |
| Jaff vs Kazuya | 6–1 | 85.71% |
| Jaff vs Lili | 4–3 | 57.14% |
| Jaff vs Jin | 4–2 | 66.67% |
| Jaff vs Lars | 4–1 | 80.00% |
| Jaff vs Kuma | 1–4 | 20.00% |
| Jaff vs Hwoarang | 4–0 | 100.00% |
| Jaff vs Dragunov | 4–0 | 100.00% |
| Jaff vs Shaheen | 4–0 | 100.00% |
| Jaff vs Eddy | 3–1 | 75.00% |
| Jaff vs Armor King | 2–2 | 50.00% |
| Jaff vs Law | 3–0 | 100.00% |
| Jaff vs Feng | 1–2 | 33.33% |
| Jaff vs Nina | 2–1 | 66.67% |
| Jaff vs Reina | 2–1 | 66.67% |
| Jaff vs Raven | 2–1 | 66.67% |
| Jaff vs Heihachi | 2–1 | 66.67% |
| Jaff vs Bryan | 2–0 | 100.00% |
| Jaff vs Devil Jin | 0–2 | 0.00% |
| Jaff vs Azucena | 2–0 | 100.00% |
| Jaff vs Lidia | 2–0 | 100.00% |
| Jaff vs Yoshimitsu | 1–0 | 100.00% |
| Jaff vs Asuka | 0–1 | 0.00% |
| Jaff vs Panda | 1–0 | 100.00% |
| Jaff vs Anna | 1–0 | 100.00% |
| Jaff vs Fahkumram | 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.