| Sirius vs King | 34–60 | 36.17% |
| Sirius vs Jin | 44–46 | 48.89% |
| Sirius vs Kazuya | 38–49 | 43.68% |
| Sirius vs Bryan | 34–34 | 50.00% |
| Sirius vs Dragunov | 30–30 | 50.00% |
| Sirius vs Steve | 31–24 | 56.36% |
| Sirius vs Heihachi | 29–24 | 54.72% |
| Sirius vs Law | 20–32 | 38.46% |
| Sirius vs Clive | 21–26 | 44.68% |
| Sirius vs Hwoarang | 19–27 | 41.30% |
| Sirius vs Yoshimitsu | 8–19 | 29.63% |
| Sirius vs Devil Jin | 10–16 | 38.46% |
| Sirius vs Lars | 13–13 | 50.00% |
| Sirius vs Jun | 10–16 | 38.46% |
| Sirius vs Paul | 13–12 | 52.00% |
| Sirius vs Lili | 9–15 | 37.50% |
| Sirius vs Alisa | 14–10 | 58.33% |
| Sirius vs Nina | 12–11 | 52.17% |
| Sirius vs Asuka | 8–13 | 38.10% |
| Sirius vs Leo | 8–13 | 38.10% |
| Sirius vs Reina | 11–10 | 52.38% |
| Sirius vs Victor | 8–13 | 38.10% |
| Sirius vs Lee | 4–15 | 21.05% |
| Sirius vs Fahkumram | 9–5 | 64.29% |
| Sirius vs Feng | 4–9 | 30.77% |
| Sirius vs Eddy | 4–8 | 33.33% |
| Sirius vs Shaheen | 3–8 | 27.27% |
| Sirius vs Azucena | 3–7 | 30.00% |
| Sirius vs Claudio | 3–5 | 37.50% |
| Sirius vs Xiaoyu | 2–4 | 33.33% |
| Sirius vs Jack-8 | 1–5 | 16.67% |
| Sirius vs Anna | 3–3 | 50.00% |
| Sirius vs Lidia | 2–2 | 50.00% |
| Sirius vs Leroy | 1–2 | 33.33% |
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.