| seijiro vs King | 15–18 | 45.45% |
| seijiro vs Reina | 16–10 | 61.54% |
| seijiro vs Jin | 11–11 | 50.00% |
| seijiro vs Fahkumram | 10–12 | 45.45% |
| seijiro vs Hwoarang | 12–9 | 57.14% |
| seijiro vs Dragunov | 8–13 | 38.10% |
| seijiro vs Asuka | 10–8 | 55.56% |
| seijiro vs Bryan | 11–6 | 64.71% |
| seijiro vs Lili | 8–9 | 47.06% |
| seijiro vs Yoshimitsu | 10–5 | 66.67% |
| seijiro vs Steve | 11–4 | 73.33% |
| seijiro vs Victor | 7–4 | 63.64% |
| seijiro vs Kazuya | 3–7 | 30.00% |
| seijiro vs Devil Jin | 6–4 | 60.00% |
| seijiro vs Leroy | 4–5 | 44.44% |
| seijiro vs Eddy | 1–8 | 11.11% |
| seijiro vs Jack-8 | 2–6 | 25.00% |
| seijiro vs Lars | 6–2 | 75.00% |
| seijiro vs Leo | 1–6 | 14.29% |
| seijiro vs Alisa | 2–5 | 28.57% |
| seijiro vs Claudio | 2–4 | 33.33% |
| seijiro vs Armor King | 4–2 | 66.67% |
| seijiro vs Jun | 4–1 | 80.00% |
| seijiro vs Azucena | 5–0 | 100.00% |
| seijiro vs Law | 1–3 | 25.00% |
| seijiro vs Heihachi | 3–1 | 75.00% |
| seijiro vs Clive | 0–4 | 0.00% |
| seijiro vs Shaheen | 1–2 | 33.33% |
| seijiro vs Nina | 2–1 | 66.67% |
| seijiro vs Lee | 1–1 | 50.00% |
| seijiro vs Xiaoyu | 1–0 | 100.00% |
| seijiro vs Feng | 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.