| For Rosaria vs Clive | 22–5 | 81.48% |
| For Rosaria vs Kazuya | 12–8 | 60.00% |
| For Rosaria vs Steve | 9–2 | 81.82% |
| For Rosaria vs Asuka | 5–2 | 71.43% |
| For Rosaria vs King | 5–1 | 83.33% |
| For Rosaria vs Azucena | 6–0 | 100.00% |
| For Rosaria vs Victor | 6–0 | 100.00% |
| For Rosaria vs Law | 4–1 | 80.00% |
| For Rosaria vs Jun | 4–1 | 80.00% |
| For Rosaria vs Reina | 5–0 | 100.00% |
| For Rosaria vs Bryan | 4–1 | 80.00% |
| For Rosaria vs Lars | 5–0 | 100.00% |
| For Rosaria vs Hwoarang | 4–0 | 100.00% |
| For Rosaria vs Alisa | 3–1 | 75.00% |
| For Rosaria vs Lili | 4–0 | 100.00% |
| For Rosaria vs Dragunov | 4–0 | 100.00% |
| For Rosaria vs Raven | 4–0 | 100.00% |
| For Rosaria vs Lidia | 2–2 | 50.00% |
| For Rosaria vs Shaheen | 2–1 | 66.67% |
| For Rosaria vs Nina | 2–1 | 66.67% |
| For Rosaria vs Leo | 3–0 | 100.00% |
| For Rosaria vs Kuma | 2–1 | 66.67% |
| For Rosaria vs Eddy | 3–0 | 100.00% |
| For Rosaria vs Heihachi | 1–2 | 33.33% |
| For Rosaria vs Xiaoyu | 2–0 | 100.00% |
| For Rosaria vs Paul | 2–0 | 100.00% |
| For Rosaria vs Feng | 2–0 | 100.00% |
| For Rosaria vs Claudio | 0–2 | 0.00% |
| For Rosaria vs Jin | 1–0 | 100.00% |
| For Rosaria vs Devil Jin | 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.