| s4koshi vs Jun | 15–14 | 51.72% |
| s4koshi vs Paul | 10–18 | 35.71% |
| s4koshi vs Jin | 5–20 | 20.00% |
| s4koshi vs Reina | 17–6 | 73.91% |
| s4koshi vs Kazuya | 5–16 | 23.81% |
| s4koshi vs King | 4–13 | 23.53% |
| s4koshi vs Leo | 8–9 | 47.06% |
| s4koshi vs Bryan | 8–7 | 53.33% |
| s4koshi vs Lili | 4–11 | 26.67% |
| s4koshi vs Shaheen | 7–8 | 46.67% |
| s4koshi vs Lidia | 6–9 | 40.00% |
| s4koshi vs Yoshimitsu | 6–8 | 42.86% |
| s4koshi vs Hwoarang | 7–7 | 50.00% |
| s4koshi vs Feng | 2–12 | 14.29% |
| s4koshi vs Azucena | 6–8 | 42.86% |
| s4koshi vs Law | 3–10 | 23.08% |
| s4koshi vs Steve | 7–5 | 58.33% |
| s4koshi vs Jack-8 | 5–6 | 45.45% |
| s4koshi vs Claudio | 6–5 | 54.55% |
| s4koshi vs Victor | 5–6 | 45.45% |
| s4koshi vs Eddy | 6–5 | 54.55% |
| s4koshi vs Asuka | 4–6 | 40.00% |
| s4koshi vs Dragunov | 5–4 | 55.56% |
| s4koshi vs Devil Jin | 1–6 | 14.29% |
| s4koshi vs Lars | 2–5 | 28.57% |
| s4koshi vs Alisa | 4–3 | 57.14% |
| s4koshi vs Nina | 4–2 | 66.67% |
| s4koshi vs Kuma | 2–4 | 33.33% |
| s4koshi vs Lee | 2–1 | 66.67% |
| s4koshi vs Leroy | 0–2 | 0.00% |
| s4koshi vs Heihachi | 0–2 | 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.