| SammiBoi vs Eddy | 2–16 | 11.11% |
| SammiBoi vs Jin | 5–8 | 38.46% |
| SammiBoi vs Lars | 6–6 | 50.00% |
| SammiBoi vs Paul | 5–3 | 62.50% |
| SammiBoi vs Lili | 4–4 | 50.00% |
| SammiBoi vs Law | 0–7 | 0.00% |
| SammiBoi vs Reina | 2–5 | 28.57% |
| SammiBoi vs Hwoarang | 2–4 | 33.33% |
| SammiBoi vs Bryan | 3–3 | 50.00% |
| SammiBoi vs Dragunov | 2–4 | 33.33% |
| SammiBoi vs King | 2–3 | 40.00% |
| SammiBoi vs Yoshimitsu | 4–1 | 80.00% |
| SammiBoi vs Kazuya | 2–3 | 40.00% |
| SammiBoi vs Alisa | 3–1 | 75.00% |
| SammiBoi vs Steve | 1–2 | 33.33% |
| SammiBoi vs Nina | 1–2 | 33.33% |
| SammiBoi vs Azucena | 2–1 | 66.67% |
| SammiBoi vs Xiaoyu | 0–2 | 0.00% |
| SammiBoi vs Feng | 1–1 | 50.00% |
| SammiBoi vs Shaheen | 2–0 | 100.00% |
| SammiBoi vs Lee | 0–2 | 0.00% |
| SammiBoi vs Zafina | 0–2 | 0.00% |
| SammiBoi vs Jun | 1–1 | 50.00% |
| SammiBoi vs Jack-8 | 1–0 | 100.00% |
| SammiBoi vs Asuka | 0–1 | 0.00% |
| SammiBoi vs Leo | 0–1 | 0.00% |
| SammiBoi vs Victor | 1–0 | 100.00% |
| SammiBoi vs Raven | 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.