| Stepka vs Hwoarang | 5–10 | 33.33% |
| Stepka vs Jin | 4–9 | 30.77% |
| Stepka vs Law | 3–9 | 25.00% |
| Stepka vs Lili | 7–5 | 58.33% |
| Stepka vs Reina | 6–6 | 50.00% |
| Stepka vs King | 3–7 | 30.00% |
| Stepka vs Bryan | 4–6 | 40.00% |
| Stepka vs Kazuya | 3–7 | 30.00% |
| Stepka vs Paul | 5–3 | 62.50% |
| Stepka vs Nina | 3–5 | 37.50% |
| Stepka vs Dragunov | 3–4 | 42.86% |
| Stepka vs Lidia | 3–4 | 42.86% |
| Stepka vs Jun | 1–5 | 16.67% |
| Stepka vs Steve | 3–2 | 60.00% |
| Stepka vs Victor | 3–2 | 60.00% |
| Stepka vs Jack-8 | 2–2 | 50.00% |
| Stepka vs Asuka | 3–1 | 75.00% |
| Stepka vs Devil Jin | 1–3 | 25.00% |
| Stepka vs Lars | 2–2 | 50.00% |
| Stepka vs Eddy | 1–3 | 25.00% |
| Stepka vs Fahkumram | 2–2 | 50.00% |
| Stepka vs Alisa | 1–2 | 33.33% |
| Stepka vs Azucena | 2–1 | 66.67% |
| Stepka vs Raven | 0–3 | 0.00% |
| Stepka vs Armor King | 1–2 | 33.33% |
| Stepka vs Miary Zo | 2–1 | 66.67% |
| Stepka vs Yoshimitsu | 0–2 | 0.00% |
| Stepka vs Feng | 2–0 | 100.00% |
| Stepka vs Panda | 0–2 | 0.00% |
| Stepka vs Anna | 0–2 | 0.00% |
| Stepka vs Claudio | 1–0 | 100.00% |
| Stepka 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.