| Stepanoff vs Kazuya | 169–101 | 62.59% |
| Stepanoff vs Hwoarang | 157–108 | 59.25% |
| Stepanoff vs Jin | 152–111 | 57.79% |
| Stepanoff vs Bryan | 159–70–1 | 69.43% |
| Stepanoff vs Paul | 145–79 | 64.73% |
| Stepanoff vs Yoshimitsu | 142–79 | 64.25% |
| Stepanoff vs King | 125–71 | 63.78% |
| Stepanoff vs Dragunov | 118–76 | 60.82% |
| Stepanoff vs Heihachi | 110–63 | 63.58% |
| Stepanoff vs Law | 111–53 | 67.68% |
| Stepanoff vs Clive | 109–53 | 67.28% |
| Stepanoff vs Devil Jin | 84–75 | 52.83% |
| Stepanoff vs Lili | 102–56 | 64.56% |
| Stepanoff vs Reina | 98–60 | 62.03% |
| Stepanoff vs Steve | 90–60 | 60.00% |
| Stepanoff vs Lidia | 85–56 | 60.28% |
| Stepanoff vs Lars | 77–59 | 56.62% |
| Stepanoff vs Nina | 77–50 | 60.63% |
| Stepanoff vs Fahkumram | 56–61 | 47.86% |
| Stepanoff vs Alisa | 67–48 | 58.26% |
| Stepanoff vs Asuka | 68–38 | 64.15% |
| Stepanoff vs Lee | 56–48 | 53.85% |
| Stepanoff vs Armor King | 53–48 | 52.48% |
| Stepanoff vs Leroy | 63–36 | 63.64% |
| Stepanoff vs Feng | 61–36 | 62.89% |
| Stepanoff vs Xiaoyu | 61–31 | 66.30% |
| Stepanoff vs Raven | 51–38 | 57.30% |
| Stepanoff vs Jun | 49–39 | 55.68% |
| Stepanoff vs Eddy | 54–31 | 63.53% |
| Stepanoff vs Zafina | 52–32 | 61.90% |
| Stepanoff vs Victor | 46–31 | 59.74% |
| Stepanoff vs Jack-8 | 52–24 | 68.42% |
| Stepanoff vs Anna | 45–28 | 61.64% |
| Stepanoff vs Claudio | 41–28 | 59.42% |
| Stepanoff vs Azucena | 51–17 | 75.00% |
| Stepanoff vs Leo | 33–28 | 54.10% |
| Stepanoff vs Shaheen | 37–22 | 62.71% |
| Stepanoff vs Kuma | 33–13 | 71.74% |
| Stepanoff vs Panda | 7–8 | 46.67% |
| Stepanoff vs Miary Zo | 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.