| Happykappa vs Jin | 52–32 | 61.90% |
| Happykappa vs Reina | 36–29 | 55.38% |
| Happykappa vs Bryan | 31–31 | 50.00% |
| Happykappa vs Steve | 34–21 | 61.82% |
| Happykappa vs Kazuya | 30–24 | 55.56% |
| Happykappa vs King | 29–24 | 54.72% |
| Happykappa vs Eddy | 24–22 | 52.17% |
| Happykappa vs Azucena | 28–16 | 63.64% |
| Happykappa vs Dragunov | 16–25 | 39.02% |
| Happykappa vs Paul | 17–23 | 42.50% |
| Happykappa vs Lili | 18–19 | 48.65% |
| Happykappa vs Hwoarang | 23–13 | 63.89% |
| Happykappa vs Asuka | 14–18 | 43.75% |
| Happykappa vs Yoshimitsu | 16–14 | 53.33% |
| Happykappa vs Lars | 15–12 | 55.56% |
| Happykappa vs Jun | 11–14 | 44.00% |
| Happykappa vs Feng | 5–18 | 21.74% |
| Happykappa vs Xiaoyu | 10–12 | 45.45% |
| Happykappa vs Leroy | 6–15 | 28.57% |
| Happykappa vs Law | 9–11 | 45.00% |
| Happykappa vs Victor | 9–11 | 45.00% |
| Happykappa vs Alisa | 7–12 | 36.84% |
| Happykappa vs Raven | 8–11 | 42.11% |
| Happykappa vs Leo | 9–7 | 56.25% |
| Happykappa vs Nina | 5–11 | 31.25% |
| Happykappa vs Shaheen | 4–10 | 28.57% |
| Happykappa vs Jack-8 | 6–7 | 46.15% |
| Happykappa vs Kuma | 10–3 | 76.92% |
| Happykappa vs Zafina | 6–7 | 46.15% |
| Happykappa vs Devil Jin | 4–8 | 33.33% |
| Happykappa vs Lee | 6–6 | 50.00% |
| Happykappa vs Claudio | 3–5 | 37.50% |
| Happykappa vs Panda | 5–1 | 83.33% |
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.