| Jaff vs Kazuya | 46–40 | 53.49% |
| Jaff vs Reina | 56–25 | 69.14% |
| Jaff vs Bryan | 52–27 | 65.82% |
| Jaff vs Heihachi | 43–34 | 55.84% |
| Jaff vs Jin | 49–19 | 72.06% |
| Jaff vs Steve | 32–30 | 51.61% |
| Jaff vs King | 37–23 | 61.67% |
| Jaff vs Hwoarang | 42–16 | 72.41% |
| Jaff vs Feng | 19–28 | 40.43% |
| Jaff vs Lili | 26–18 | 59.09% |
| Jaff vs Dragunov | 30–14 | 68.18% |
| Jaff vs Law | 25–15 | 62.50% |
| Jaff vs Yoshimitsu | 27–13 | 67.50% |
| Jaff vs Jun | 18–22 | 45.00% |
| Jaff vs Leo | 25–12 | 67.57% |
| Jaff vs Lee | 20–17 | 54.05% |
| Jaff vs Nina | 15–18 | 45.45% |
| Jaff vs Miary Zo | 16–17 | 48.48% |
| Jaff vs Azucena | 17–14 | 54.84% |
| Jaff vs Paul | 18–10 | 64.29% |
| Jaff vs Xiaoyu | 21–7 | 75.00% |
| Jaff vs Lars | 16–12 | 57.14% |
| Jaff vs Devil Jin | 13–12 | 52.00% |
| Jaff vs Alisa | 15–10 | 60.00% |
| Jaff vs Eddy | 18–7 | 72.00% |
| Jaff vs Armor King | 7–18 | 28.00% |
| Jaff vs Victor | 15–8 | 65.22% |
| Jaff vs Raven | 15–8 | 65.22% |
| Jaff vs Lidia | 10–10 | 50.00% |
| Jaff vs Clive | 9–11 | 45.00% |
| Jaff vs Asuka | 9–10 | 47.37% |
| Jaff vs Fahkumram | 12–7 | 63.16% |
| Jaff vs Kuma | 9–8 | 52.94% |
| Jaff vs Shaheen | 8–5 | 61.54% |
| Jaff vs Leroy | 10–3 | 76.92% |
| Jaff vs Claudio | 5–6 | 45.45% |
| Jaff vs Anna | 5–5 | 50.00% |
| Jaff vs Zafina | 7–2 | 77.78% |
| Jaff vs Jack-8 | 2–4 | 33.33% |
| Jaff vs Panda | 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.