| willow kun vs King | 24–26 | 48.00% |
| willow kun vs Jin | 18–17 | 51.43% |
| willow kun vs Kazuya | 15–14 | 51.72% |
| willow kun vs Dragunov | 16–11 | 59.26% |
| willow kun vs Reina | 15–9 | 62.50% |
| willow kun vs Steve | 14–9 | 60.87% |
| willow kun vs Jun | 17–3 | 85.00% |
| willow kun vs Law | 6–9 | 40.00% |
| willow kun vs Yoshimitsu | 10–5 | 66.67% |
| willow kun vs Hwoarang | 4–11 | 26.67% |
| willow kun vs Devil Jin | 5–10 | 33.33% |
| willow kun vs Eddy | 9–6 | 60.00% |
| willow kun vs Paul | 6–8 | 42.86% |
| willow kun vs Alisa | 7–6 | 53.85% |
| willow kun vs Victor | 5–5 | 50.00% |
| willow kun vs Lili | 5–4 | 55.56% |
| willow kun vs Asuka | 4–4 | 50.00% |
| willow kun vs Lee | 5–3 | 62.50% |
| willow kun vs Xiaoyu | 5–2 | 71.43% |
| willow kun vs Leo | 3–4 | 42.86% |
| willow kun vs Nina | 6–1 | 85.71% |
| willow kun vs Azucena | 1–6 | 14.29% |
| willow kun vs Feng | 0–6 | 0.00% |
| willow kun vs Bryan | 5–0 | 100.00% |
| willow kun vs Lars | 0–4 | 0.00% |
| willow kun vs Jack-8 | 3–0 | 100.00% |
| willow kun vs Armor King | 0–3 | 0.00% |
| willow kun vs Zafina | 2–0 | 100.00% |
| willow kun vs Leroy | 0–2 | 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.