| Jammm vs Jin | 4–16 | 20.00% |
| Jammm vs Eddy | 8–12 | 40.00% |
| Jammm vs Reina | 10–4 | 71.43% |
| Jammm vs Bryan | 7–6 | 53.85% |
| Jammm vs Kazuya | 4–7 | 36.36% |
| Jammm vs Steve | 1–9 | 10.00% |
| Jammm vs Lars | 2–6 | 25.00% |
| Jammm vs Paul | 4–3 | 57.14% |
| Jammm vs Law | 4–3 | 57.14% |
| Jammm vs King | 2–5 | 28.57% |
| Jammm vs Yoshimitsu | 5–2 | 71.43% |
| Jammm vs Hwoarang | 1–6 | 14.29% |
| Jammm vs Dragunov | 5–2 | 71.43% |
| Jammm vs Devil Jin | 3–3 | 50.00% |
| Jammm vs Feng | 5–1 | 83.33% |
| Jammm vs Lee | 3–3 | 50.00% |
| Jammm vs Azucena | 2–4 | 33.33% |
| Jammm vs Victor | 0–6 | 0.00% |
| Jammm vs Xiaoyu | 2–3 | 40.00% |
| Jammm vs Asuka | 3–2 | 60.00% |
| Jammm vs Lili | 4–1 | 80.00% |
| Jammm vs Nina | 3–2 | 60.00% |
| Jammm vs Jun | 4–1 | 80.00% |
| Jammm vs Jack-8 | 2–2 | 50.00% |
| Jammm vs Leo | 2–2 | 50.00% |
| Jammm vs Zafina | 1–3 | 25.00% |
| Jammm vs Leroy | 0–2 | 0.00% |
| Jammm vs Clive | 0–2 | 0.00% |
| Jammm vs Claudio | 0–1 | 0.00% |
| Jammm vs Heihachi | 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.