| Willsantos 1990 vs Dragunov | 3–9 | 25.00% |
| Willsantos 1990 vs King | 3–8 | 27.27% |
| Willsantos 1990 vs Steve | 0–8 | 0.00% |
| Willsantos 1990 vs Asuka | 0–6 | 0.00% |
| Willsantos 1990 vs Law | 0–5 | 0.00% |
| Willsantos 1990 vs Devil Jin | 1–4 | 20.00% |
| Willsantos 1990 vs Lidia | 2–3 | 40.00% |
| Willsantos 1990 vs Feng | 0–4 | 0.00% |
| Willsantos 1990 vs Lili | 0–4 | 0.00% |
| Willsantos 1990 vs Alisa | 2–2 | 50.00% |
| Willsantos 1990 vs Reina | 2–2 | 50.00% |
| Willsantos 1990 vs Jack-8 | 2–1 | 66.67% |
| Willsantos 1990 vs Nina | 1–2 | 33.33% |
| Willsantos 1990 vs Eddy | 2–1 | 66.67% |
| Willsantos 1990 vs Yoshimitsu | 0–2 | 0.00% |
| Willsantos 1990 vs Hwoarang | 0–2 | 0.00% |
| Willsantos 1990 vs Xiaoyu | 0–2 | 0.00% |
| Willsantos 1990 vs Shaheen | 0–2 | 0.00% |
| Willsantos 1990 vs Lee | 0–2 | 0.00% |
| Willsantos 1990 vs Zafina | 0–2 | 0.00% |
| Willsantos 1990 vs Jun | 1–1 | 50.00% |
| Willsantos 1990 vs Heihachi | 0–1 | 0.00% |
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.