| Kazekage Willi vs Yoshimitsu | 7–12 | 36.84% |
| Kazekage Willi vs Bryan | 6–12 | 33.33% |
| Kazekage Willi vs Hwoarang | 7–10 | 41.18% |
| Kazekage Willi vs King | 10–6 | 62.50% |
| Kazekage Willi vs Lars | 4–7 | 36.36% |
| Kazekage Willi vs Eddy | 4–7 | 36.36% |
| Kazekage Willi vs Jin | 4–6 | 40.00% |
| Kazekage Willi vs Reina | 5–5 | 50.00% |
| Kazekage Willi vs Paul | 5–4 | 55.56% |
| Kazekage Willi vs Dragunov | 0–9 | 0.00% |
| Kazekage Willi vs Lili | 5–3 | 62.50% |
| Kazekage Willi vs Shaheen | 4–4 | 50.00% |
| Kazekage Willi vs Lee | 5–2 | 71.43% |
| Kazekage Willi vs Kazuya | 5–1 | 83.33% |
| Kazekage Willi vs Jun | 3–3 | 50.00% |
| Kazekage Willi vs Azucena | 6–0 | 100.00% |
| Kazekage Willi vs Law | 4–1 | 80.00% |
| Kazekage Willi vs Asuka | 1–4 | 20.00% |
| Kazekage Willi vs Leo | 2–3 | 40.00% |
| Kazekage Willi vs Nina | 3–2 | 60.00% |
| Kazekage Willi vs Alisa | 1–3 | 25.00% |
| Kazekage Willi vs Victor | 1–3 | 25.00% |
| Kazekage Willi vs Jack-8 | 2–1 | 66.67% |
| Kazekage Willi vs Kuma | 3–0 | 100.00% |
| Kazekage Willi vs Leroy | 0–3 | 0.00% |
| Kazekage Willi vs Steve | 0–2 | 0.00% |
| Kazekage Willi vs Claudio | 2–0 | 100.00% |
| Kazekage Willi vs Clive | 2–0 | 100.00% |
| Kazekage Willi vs Fahkumram | 0–2 | 0.00% |
| Kazekage Willi vs Feng | 1–0 | 100.00% |
| Kazekage Willi vs Zafina | 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.