| Stefanos vs Kazuya | 20–11 | 64.52% |
| Stefanos vs Reina | 15–9 | 62.50% |
| Stefanos vs Jin | 10–13 | 43.48% |
| Stefanos vs Law | 12–9 | 57.14% |
| Stefanos vs Lili | 8–13 | 38.10% |
| Stefanos vs Dragunov | 9–10 | 47.37% |
| Stefanos vs King | 10–8 | 55.56% |
| Stefanos vs Lars | 8–8 | 50.00% |
| Stefanos vs Asuka | 5–10 | 33.33% |
| Stefanos vs Steve | 1–12 | 7.69% |
| Stefanos vs Bryan | 7–5 | 58.33% |
| Stefanos vs Nina | 2–10 | 16.67% |
| Stefanos vs Eddy | 5–7 | 41.67% |
| Stefanos vs Hwoarang | 5–6 | 45.45% |
| Stefanos vs Azucena | 6–5 | 54.55% |
| Stefanos vs Lee | 4–6 | 40.00% |
| Stefanos vs Clive | 6–4 | 60.00% |
| Stefanos vs Paul | 6–3 | 66.67% |
| Stefanos vs Jun | 6–3 | 66.67% |
| Stefanos vs Lidia | 2–7 | 22.22% |
| Stefanos vs Xiaoyu | 4–4 | 50.00% |
| Stefanos vs Alisa | 3–5 | 37.50% |
| Stefanos vs Heihachi | 4–4 | 50.00% |
| Stefanos vs Yoshimitsu | 5–2 | 71.43% |
| Stefanos vs Jack-8 | 2–5 | 28.57% |
| Stefanos vs Leo | 3–3 | 50.00% |
| Stefanos vs Victor | 2–4 | 33.33% |
| Stefanos vs Devil Jin | 5–0 | 100.00% |
| Stefanos vs Claudio | 2–2 | 50.00% |
| Stefanos vs Feng | 2–1 | 66.67% |
| Stefanos vs Shaheen | 2–1 | 66.67% |
| Stefanos vs Zafina | 2–1 | 66.67% |
| Stefanos vs Leroy | 1–1 | 50.00% |
| Stefanos vs Kuma | 1–0 | 100.00% |
| Stefanos vs Raven | 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.