| Ryan Santos vs King | 11–22 | 33.33% |
| Ryan Santos vs Reina | 7–12 | 36.84% |
| Ryan Santos vs Jin | 3–15 | 16.67% |
| Ryan Santos vs Steve | 8–10 | 44.44% |
| Ryan Santos vs Azucena | 5–10 | 33.33% |
| Ryan Santos vs Yoshimitsu | 5–9 | 35.71% |
| Ryan Santos vs Lili | 1–12 | 7.69% |
| Ryan Santos vs Victor | 7–6 | 53.85% |
| Ryan Santos vs Clive | 3–10 | 23.08% |
| Ryan Santos vs Law | 0–12 | 0.00% |
| Ryan Santos vs Jun | 2–10 | 16.67% |
| Ryan Santos vs Lidia | 3–7 | 30.00% |
| Ryan Santos vs Hwoarang | 1–8 | 11.11% |
| Ryan Santos vs Kazuya | 6–3 | 66.67% |
| Ryan Santos vs Dragunov | 2–7 | 22.22% |
| Ryan Santos vs Asuka | 2–6 | 25.00% |
| Ryan Santos vs Leroy | 5–3 | 62.50% |
| Ryan Santos vs Bryan | 2–5 | 28.57% |
| Ryan Santos vs Jack-8 | 2–5 | 28.57% |
| Ryan Santos vs Nina | 1–6 | 14.29% |
| Ryan Santos vs Paul | 2–4 | 33.33% |
| Ryan Santos vs Alisa | 1–5 | 16.67% |
| Ryan Santos vs Raven | 3–3 | 50.00% |
| Ryan Santos vs Heihachi | 0–6 | 0.00% |
| Ryan Santos vs Eddy | 1–4 | 20.00% |
| Ryan Santos vs Xiaoyu | 0–3 | 0.00% |
| Ryan Santos vs Devil Jin | 0–3 | 0.00% |
| Ryan Santos vs Feng | 0–3 | 0.00% |
| Ryan Santos vs Leo | 2–1 | 66.67% |
| Ryan Santos vs Lars | 0–3 | 0.00% |
| Ryan Santos vs Kuma | 2–1 | 66.67% |
| Ryan Santos vs Panda | 0–3 | 0.00% |
| Ryan Santos vs Zafina | 1–2 | 33.33% |
| Ryan Santos vs Claudio | 0–2 | 0.00% |
| Ryan Santos vs Shaheen | 1–1 | 50.00% |
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.