| SION STM vs Reina | 10–1 | 90.91% |
| SION STM vs Bryan | 9–1 | 90.00% |
| SION STM vs Steve | 3–6 | 33.33% |
| SION STM vs Clive | 5–3 | 62.50% |
| SION STM vs Zafina | 6–1 | 85.71% |
| SION STM vs Victor | 5–2 | 71.43% |
| SION STM vs Yoshimitsu | 4–2 | 66.67% |
| SION STM vs Hwoarang | 6–0 | 100.00% |
| SION STM vs Asuka | 4–2 | 66.67% |
| SION STM vs Jun | 6–0 | 100.00% |
| SION STM vs Law | 2–2 | 50.00% |
| SION STM vs Kazuya | 3–1 | 75.00% |
| SION STM vs Lars | 4–0 | 100.00% |
| SION STM vs Raven | 3–1 | 75.00% |
| SION STM vs Fahkumram | 2–2 | 50.00% |
| SION STM vs Jin | 3–0 | 100.00% |
| SION STM vs Dragunov | 3–0 | 100.00% |
| SION STM vs Claudio | 3–0 | 100.00% |
| SION STM vs Shaheen | 1–2 | 33.33% |
| SION STM vs Paul | 2–0 | 100.00% |
| SION STM vs King | 2–0 | 100.00% |
| SION STM vs Xiaoyu | 2–0 | 100.00% |
| SION STM vs Jack-8 | 0–2 | 0.00% |
| SION STM vs Leo | 2–0 | 100.00% |
| SION STM vs Heihachi | 2–0 | 100.00% |
| SION STM vs Devil Jin | 1–0 | 100.00% |
| SION STM vs Feng | 1–0 | 100.00% |
| SION STM vs Lili | 1–0 | 100.00% |
| SION STM vs Kuma | 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.