| Santasmum vs Jin | 30–26 | 53.57% |
| Santasmum vs Kazuya | 23–30 | 43.40% |
| Santasmum vs Dragunov | 11–30 | 26.83% |
| Santasmum vs Hwoarang | 15–22 | 40.54% |
| Santasmum vs King | 19–16 | 54.29% |
| Santasmum vs Lidia | 15–17 | 46.88% |
| Santasmum vs Victor | 12–18 | 40.00% |
| Santasmum vs Reina | 13–13 | 50.00% |
| Santasmum vs Yoshimitsu | 9–16 | 36.00% |
| Santasmum vs Lili | 9–16 | 36.00% |
| Santasmum vs Law | 9–15 | 37.50% |
| Santasmum vs Bryan | 5–18 | 21.74% |
| Santasmum vs Steve | 13–8 | 61.90% |
| Santasmum vs Paul | 12–8 | 60.00% |
| Santasmum vs Alisa | 9–10 | 47.37% |
| Santasmum vs Azucena | 6–12 | 33.33% |
| Santasmum vs Jun | 8–9 | 47.06% |
| Santasmum vs Leo | 6–9 | 40.00% |
| Santasmum vs Eddy | 5–10 | 33.33% |
| Santasmum vs Devil Jin | 5–8 | 38.46% |
| Santasmum vs Nina | 8–5 | 61.54% |
| Santasmum vs Lee | 8–5 | 61.54% |
| Santasmum vs Heihachi | 6–6 | 50.00% |
| Santasmum vs Xiaoyu | 7–3 | 70.00% |
| Santasmum vs Asuka | 5–4 | 55.56% |
| Santasmum vs Feng | 4–5 | 44.44% |
| Santasmum vs Kuma | 4–5 | 44.44% |
| Santasmum vs Lars | 1–6 | 14.29% |
| Santasmum vs Claudio | 1–4 | 20.00% |
| Santasmum vs Raven | 3–2 | 60.00% |
| Santasmum vs Jack-8 | 2–1 | 66.67% |
| Santasmum vs Shaheen | 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.