| Mariachi vs King | 30–40 | 42.86% |
| Mariachi vs Jin | 34–36 | 48.57% |
| Mariachi vs Kazuya | 28–37 | 43.08% |
| Mariachi vs Reina | 36–28 | 56.25% |
| Mariachi vs Eddy | 21–42 | 33.33% |
| Mariachi vs Azucena | 30–19 | 61.22% |
| Mariachi vs Bryan | 15–23 | 39.47% |
| Mariachi vs Law | 10–27 | 27.03% |
| Mariachi vs Steve | 18–19 | 48.65% |
| Mariachi vs Lili | 21–15 | 58.33% |
| Mariachi vs Asuka | 16–17–1 | 48.48% |
| Mariachi vs Hwoarang | 12–20 | 37.50% |
| Mariachi vs Alisa | 13–18 | 41.94% |
| Mariachi vs Dragunov | 11–14 | 44.00% |
| Mariachi vs Paul | 7–16 | 30.43% |
| Mariachi vs Nina | 10–10 | 50.00% |
| Mariachi vs Lee | 14–6 | 70.00% |
| Mariachi vs Feng | 6–13 | 31.58% |
| Mariachi vs Jun | 11–6 | 64.71% |
| Mariachi vs Yoshimitsu | 8–8 | 50.00% |
| Mariachi vs Lars | 3–13 | 18.75% |
| Mariachi vs Claudio | 6–8 | 42.86% |
| Mariachi vs Leroy | 0–13 | 0.00% |
| Mariachi vs Devil Jin | 1–11 | 8.33% |
| Mariachi vs Raven | 3–9 | 25.00% |
| Mariachi vs Victor | 7–3 | 70.00% |
| Mariachi vs Xiaoyu | 5–4 | 55.56% |
| Mariachi vs Zafina | 4–5 | 44.44% |
| Mariachi vs Leo | 2–6 | 25.00% |
| Mariachi vs Kuma | 3–4 | 42.86% |
| Mariachi vs Jack-8 | 0–4 | 0.00% |
| Mariachi vs Panda | 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.