| Happyfeet Steve vs Kazuya | 53–69 | 43.44% |
| Happyfeet Steve vs Jin | 61–56 | 52.14% |
| Happyfeet Steve vs Bryan | 47–39 | 54.65% |
| Happyfeet Steve vs Dragunov | 34–45 | 43.04% |
| Happyfeet Steve vs Law | 37–33 | 52.86% |
| Happyfeet Steve vs Hwoarang | 41–28 | 59.42% |
| Happyfeet Steve vs Paul | 38–27 | 58.46% |
| Happyfeet Steve vs King | 34–28 | 54.84% |
| Happyfeet Steve vs Reina | 39–23 | 62.90% |
| Happyfeet Steve vs Lili | 28–29 | 49.12% |
| Happyfeet Steve vs Yoshimitsu | 22–27 | 44.90% |
| Happyfeet Steve vs Feng | 15–31 | 32.61% |
| Happyfeet Steve vs Alisa | 19–27 | 41.30% |
| Happyfeet Steve vs Steve | 25–20 | 55.56% |
| Happyfeet Steve vs Lars | 22–21 | 51.16% |
| Happyfeet Steve vs Jun | 18–23 | 43.90% |
| Happyfeet Steve vs Eddy | 20–20 | 50.00% |
| Happyfeet Steve vs Azucena | 20–14 | 58.82% |
| Happyfeet Steve vs Devil Jin | 16–17 | 48.48% |
| Happyfeet Steve vs Lidia | 18–15 | 54.55% |
| Happyfeet Steve vs Asuka | 16–16 | 50.00% |
| Happyfeet Steve vs Xiaoyu | 14–16 | 46.67% |
| Happyfeet Steve vs Nina | 15–13 | 53.57% |
| Happyfeet Steve vs Clive | 9–18 | 33.33% |
| Happyfeet Steve vs Victor | 14–12 | 53.85% |
| Happyfeet Steve vs Lee | 11–12 | 47.83% |
| Happyfeet Steve vs Armor King | 13–6 | 68.42% |
| Happyfeet Steve vs Claudio | 6–12 | 33.33% |
| Happyfeet Steve vs Leroy | 6–11 | 35.29% |
| Happyfeet Steve vs Leo | 8–8 | 50.00% |
| Happyfeet Steve vs Jack-8 | 8–5 | 61.54% |
| Happyfeet Steve vs Zafina | 6–7 | 46.15% |
| Happyfeet Steve vs Raven | 6–7 | 46.15% |
| Happyfeet Steve vs Heihachi | 7–5 | 58.33% |
| Happyfeet Steve vs Fahkumram | 3–7 | 30.00% |
| Happyfeet Steve vs Shaheen | 4–3 | 57.14% |
| Happyfeet Steve vs Panda | 2–4 | 33.33% |
| Happyfeet Steve vs Kuma | 1–4 | 20.00% |
| Happyfeet Steve vs Miary Zo | 1–4 | 20.00% |
| Happyfeet Steve vs Anna | 1–1 | 50.00% |
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.