| Hayakawa vs King | 9–18 | 33.33% |
| Hayakawa vs Eddy | 6–19 | 24.00% |
| Hayakawa vs Hwoarang | 9–8 | 52.94% |
| Hayakawa vs Reina | 9–8 | 52.94% |
| Hayakawa vs Yoshimitsu | 8–8 | 50.00% |
| Hayakawa vs Law | 5–9 | 35.71% |
| Hayakawa vs Kazuya | 4–9 | 30.77% |
| Hayakawa vs Lars | 6–7 | 46.15% |
| Hayakawa vs Jin | 3–9 | 25.00% |
| Hayakawa vs Bryan | 5–6 | 45.45% |
| Hayakawa vs Azucena | 8–3 | 72.73% |
| Hayakawa vs Xiaoyu | 4–6 | 40.00% |
| Hayakawa vs Jun | 3–7 | 30.00% |
| Hayakawa vs Devil Jin | 6–3 | 66.67% |
| Hayakawa vs Nina | 2–6 | 25.00% |
| Hayakawa vs Paul | 1–6 | 14.29% |
| Hayakawa vs Asuka | 3–4 | 42.86% |
| Hayakawa vs Dragunov | 2–5 | 28.57% |
| Hayakawa vs Heihachi | 5–2 | 71.43% |
| Hayakawa vs Alisa | 2–4 | 33.33% |
| Hayakawa vs Steve | 4–1 | 80.00% |
| Hayakawa vs Leo | 1–4 | 20.00% |
| Hayakawa vs Lee | 3–2 | 60.00% |
| Hayakawa vs Leroy | 4–1 | 80.00% |
| Hayakawa vs Victor | 0–5 | 0.00% |
| Hayakawa vs Lili | 0–3 | 0.00% |
| Hayakawa vs Shaheen | 2–1 | 66.67% |
| Hayakawa vs Zafina | 3–0 | 100.00% |
| Hayakawa vs Clive | 3–0 | 100.00% |
| Hayakawa vs Jack-8 | 0–2 | 0.00% |
| Hayakawa vs Feng | 0–2 | 0.00% |
| Hayakawa vs Kuma | 0–2 | 0.00% |
| Hayakawa vs Panda | 0–2 | 0.00% |
| Hayakawa vs Raven | 1–0 | 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.