| Alyssa vs Eddy | 12–11 | 52.17% |
| Alyssa vs Jin | 4–17 | 19.05% |
| Alyssa vs King | 11–9 | 55.00% |
| Alyssa vs Nina | 11–8 | 57.89% |
| Alyssa vs Hwoarang | 10–8 | 55.56% |
| Alyssa vs Kazuya | 9–9 | 50.00% |
| Alyssa vs Dragunov | 9–6 | 60.00% |
| Alyssa vs Lee | 7–8 | 46.67% |
| Alyssa vs Lidia | 9–6 | 60.00% |
| Alyssa vs Steve | 4–10 | 28.57% |
| Alyssa vs Victor | 9–4 | 69.23% |
| Alyssa vs Paul | 5–7 | 41.67% |
| Alyssa vs Lars | 7–4 | 63.64% |
| Alyssa vs Azucena | 4–6 | 40.00% |
| Alyssa vs Devil Jin | 5–4 | 55.56% |
| Alyssa vs Jun | 7–2 | 77.78% |
| Alyssa vs Reina | 8–1 | 88.89% |
| Alyssa vs Lili | 7–1 | 87.50% |
| Alyssa vs Alisa | 4–4 | 50.00% |
| Alyssa vs Law | 5–2 | 71.43% |
| Alyssa vs Bryan | 1–6 | 14.29% |
| Alyssa vs Yoshimitsu | 1–5 | 16.67% |
| Alyssa vs Xiaoyu | 2–4 | 33.33% |
| Alyssa vs Feng | 5–0 | 100.00% |
| Alyssa vs Heihachi | 2–3 | 40.00% |
| Alyssa vs Leo | 0–4 | 0.00% |
| Alyssa vs Claudio | 1–3 | 25.00% |
| Alyssa vs Jack-8 | 2–0 | 100.00% |
| Alyssa vs Asuka | 1–1 | 50.00% |
| Alyssa vs Shaheen | 0–2 | 0.00% |
| Alyssa vs Kuma | 0–2 | 0.00% |
| Alyssa vs Zafina | 1–0 | 100.00% |
| Alyssa vs Leroy | 1–0 | 100.00% |
| Alyssa vs Raven | 0–1 | 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.