| Fierro vs Steve | 11–6 | 64.71% |
| Fierro vs Hwoarang | 11–5 | 68.75% |
| Fierro vs Azucena | 9–5 | 64.29% |
| Fierro vs Reina | 9–3 | 75.00% |
| Fierro vs Jun | 4–5 | 44.44% |
| Fierro vs Dragunov | 3–5 | 37.50% |
| Fierro vs Jack-8 | 4–3 | 57.14% |
| Fierro vs Law | 4–2 | 66.67% |
| Fierro vs Kazuya | 4–2 | 66.67% |
| Fierro vs Asuka | 5–1 | 83.33% |
| Fierro vs Lili | 3–3 | 50.00% |
| Fierro vs Lars | 0–6 | 0.00% |
| Fierro vs Anna | 4–2 | 66.67% |
| Fierro vs King | 3–2 | 60.00% |
| Fierro vs Lee | 2–3 | 40.00% |
| Fierro vs Heihachi | 1–4 | 20.00% |
| Fierro vs Kuma | 1–3 | 25.00% |
| Fierro vs Lidia | 2–2 | 50.00% |
| Fierro vs Feng | 1–2 | 33.33% |
| Fierro vs Leo | 2–1 | 66.67% |
| Fierro vs Eddy | 2–1 | 66.67% |
| Fierro vs Armor King | 1–2 | 33.33% |
| Fierro vs Yoshimitsu | 0–2 | 0.00% |
| Fierro vs Alisa | 2–0 | 100.00% |
| Fierro vs Nina | 0–2 | 0.00% |
| Fierro vs Leroy | 0–2 | 0.00% |
| Fierro vs Victor | 2–0 | 100.00% |
| Fierro vs Clive | 2–0 | 100.00% |
| Fierro vs Paul | 1–0 | 100.00% |
| Fierro vs Claudio | 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.