| Siarra vs Jin | 24–5 | 82.76% |
| Siarra vs Law | 17–4 | 80.95% |
| Siarra vs Kazuya | 19–2 | 90.48% |
| Siarra vs Reina | 11–4 | 73.33% |
| Siarra vs Steve | 11–3 | 78.57% |
| Siarra vs King | 12–0 | 100.00% |
| Siarra vs Dragunov | 11–1 | 91.67% |
| Siarra vs Lidia | 11–1 | 91.67% |
| Siarra vs Yoshimitsu | 7–4 | 63.64% |
| Siarra vs Bryan | 10–1 | 90.91% |
| Siarra vs Lili | 6–4 | 60.00% |
| Siarra vs Lee | 8–1 | 88.89% |
| Siarra vs Azucena | 6–2 | 75.00% |
| Siarra vs Xiaoyu | 7–0 | 100.00% |
| Siarra vs Jack-8 | 7–0 | 100.00% |
| Siarra vs Nina | 5–2 | 71.43% |
| Siarra vs Victor | 5–2 | 71.43% |
| Siarra vs Paul | 6–0 | 100.00% |
| Siarra vs Feng | 6–0 | 100.00% |
| Siarra vs Asuka | 4–1 | 80.00% |
| Siarra vs Jun | 4–1 | 80.00% |
| Siarra vs Heihachi | 3–2 | 60.00% |
| Siarra vs Hwoarang | 3–1 | 75.00% |
| Siarra vs Lars | 4–0 | 100.00% |
| Siarra vs Claudio | 4–0 | 100.00% |
| Siarra vs Eddy | 3–0 | 100.00% |
| Siarra vs Devil Jin | 2–0 | 100.00% |
| Siarra vs Alisa | 2–0 | 100.00% |
| Siarra vs Shaheen | 2–0 | 100.00% |
| Siarra vs Clive | 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.