| Wifi Willy vs Law | 14–9 | 60.87% |
| Wifi Willy vs Jin | 13–9 | 59.09% |
| Wifi Willy vs Reina | 11–9 | 55.00% |
| Wifi Willy vs King | 9–9 | 50.00% |
| Wifi Willy vs Lili | 9–9 | 50.00% |
| Wifi Willy vs Claudio | 8–10 | 44.44% |
| Wifi Willy vs Eddy | 10–8 | 55.56% |
| Wifi Willy vs Yoshimitsu | 10–7 | 58.82% |
| Wifi Willy vs Lars | 5–11 | 31.25% |
| Wifi Willy vs Azucena | 6–7 | 46.15% |
| Wifi Willy vs Feng | 6–6 | 50.00% |
| Wifi Willy vs Leo | 6–5 | 54.55% |
| Wifi Willy vs Kazuya | 6–4 | 60.00% |
| Wifi Willy vs Dragunov | 4–6 | 40.00% |
| Wifi Willy vs Zafina | 4–6 | 40.00% |
| Wifi Willy vs Paul | 5–4 | 55.56% |
| Wifi Willy vs Bryan | 3–6 | 33.33% |
| Wifi Willy vs Victor | 3–6 | 33.33% |
| Wifi Willy vs Asuka | 7–1 | 87.50% |
| Wifi Willy vs Leroy | 3–5 | 37.50% |
| Wifi Willy vs Shaheen | 5–2 | 71.43% |
| Wifi Willy vs Nina | 3–4 | 42.86% |
| Wifi Willy vs Kuma | 5–2 | 71.43% |
| Wifi Willy vs Jun | 4–3 | 57.14% |
| Wifi Willy vs Raven | 5–2 | 71.43% |
| Wifi Willy vs Hwoarang | 2–4 | 33.33% |
| Wifi Willy vs Steve | 4–1 | 80.00% |
| Wifi Willy vs Lee | 3–2 | 60.00% |
| Wifi Willy vs Xiaoyu | 4–0 | 100.00% |
| Wifi Willy vs Devil Jin | 1–3 | 25.00% |
| Wifi Willy vs Alisa | 2–1 | 66.67% |
| Wifi Willy vs Jack-8 | 2–0 | 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.