| Stefann vs King | 7–9 | 43.75% |
| Stefann vs Law | 5–10 | 33.33% |
| Stefann vs Lidia | 9–5 | 64.29% |
| Stefann vs Bryan | 8–5 | 61.54% |
| Stefann vs Kazuya | 4–7 | 36.36% |
| Stefann vs Hwoarang | 5–5 | 50.00% |
| Stefann vs Victor | 2–7 | 22.22% |
| Stefann vs Jin | 5–3 | 62.50% |
| Stefann vs Asuka | 2–5 | 28.57% |
| Stefann vs Lars | 4–3 | 57.14% |
| Stefann vs Reina | 3–4 | 42.86% |
| Stefann vs Eddy | 2–5 | 28.57% |
| Stefann vs Steve | 1–5 | 16.67% |
| Stefann vs Lili | 2–4 | 33.33% |
| Stefann vs Nina | 3–3 | 50.00% |
| Stefann vs Paul | 3–2 | 60.00% |
| Stefann vs Leo | 4–1 | 80.00% |
| Stefann vs Lee | 4–1 | 80.00% |
| Stefann vs Yoshimitsu | 2–2 | 50.00% |
| Stefann vs Leroy | 4–0 | 100.00% |
| Stefann vs Feng | 1–2 | 33.33% |
| Stefann vs Alisa | 1–2 | 33.33% |
| Stefann vs Jun | 2–1 | 66.67% |
| Stefann vs Devil Jin | 0–2 | 0.00% |
| Stefann vs Dragunov | 2–0 | 100.00% |
| Stefann vs Shaheen | 2–0 | 100.00% |
| Stefann vs Jack-8 | 0–1 | 0.00% |
| Stefann vs Claudio | 1–0 | 100.00% |
| Stefann vs Kuma | 1–0 | 100.00% |
| Stefann vs Zafina | 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.