| Mariana Reis vs Lili | 17–2 | 89.47% |
| Mariana Reis vs Kazuya | 8–5 | 61.54% |
| Mariana Reis vs Eddy | 12–1 | 92.31% |
| Mariana Reis vs King | 10–2 | 83.33% |
| Mariana Reis vs Jin | 10–0 | 100.00% |
| Mariana Reis vs Heihachi | 10–0 | 100.00% |
| Mariana Reis vs Bryan | 8–1 | 88.89% |
| Mariana Reis vs Steve | 9–0 | 100.00% |
| Mariana Reis vs Asuka | 7–2 | 77.78% |
| Mariana Reis vs Feng | 8–0 | 100.00% |
| Mariana Reis vs Miary Zo | 8–0 | 100.00% |
| Mariana Reis vs Xiaoyu | 7–0 | 100.00% |
| Mariana Reis vs Armor King | 5–2 | 71.43% |
| Mariana Reis vs Reina | 6–0 | 100.00% |
| Mariana Reis vs Raven | 6–0 | 100.00% |
| Mariana Reis vs Law | 4–1 | 80.00% |
| Mariana Reis vs Lars | 4–1 | 80.00% |
| Mariana Reis vs Paul | 4–0 | 100.00% |
| Mariana Reis vs Hwoarang | 4–0 | 100.00% |
| Mariana Reis vs Devil Jin | 4–0 | 100.00% |
| Mariana Reis vs Dragunov | 4–0 | 100.00% |
| Mariana Reis vs Nina | 4–0 | 100.00% |
| Mariana Reis vs Leroy | 3–1 | 75.00% |
| Mariana Reis vs Jun | 4–0 | 100.00% |
| Mariana Reis vs Jack-8 | 2–1 | 66.67% |
| Mariana Reis vs Claudio | 1–2 | 33.33% |
| Mariana Reis vs Azucena | 3–0 | 100.00% |
| Mariana Reis vs Anna | 3–0 | 100.00% |
| Mariana Reis vs Leo | 2–0 | 100.00% |
| Mariana Reis vs Alisa | 2–0 | 100.00% |
| Mariana Reis vs Victor | 2–0 | 100.00% |
| Mariana Reis vs Clive | 2–0 | 100.00% |
| Mariana Reis vs Fahkumram | 2–0 | 100.00% |
| Mariana Reis vs Yoshimitsu | 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.