| Mephies vs Reina | 5–1 | 83.33% |
| Mephies vs Yoshimitsu | 2–3 | 40.00% |
| Mephies vs King | 4–0 | 100.00% |
| Mephies vs Hwoarang | 3–1 | 75.00% |
| Mephies vs Xiaoyu | 0–4 | 0.00% |
| Mephies vs Alisa | 2–2 | 50.00% |
| Mephies vs Azucena | 2–2 | 50.00% |
| Mephies vs Steve | 1–2 | 33.33% |
| Mephies vs Lili | 3–0 | 100.00% |
| Mephies vs Shaheen | 2–1 | 66.67% |
| Mephies vs Law | 2–0 | 100.00% |
| Mephies vs Kazuya | 2–0 | 100.00% |
| Mephies vs Feng | 0–2 | 0.00% |
| Mephies vs Nina | 2–0 | 100.00% |
| Mephies vs Victor | 1–1 | 50.00% |
| Mephies vs Eddy | 0–2 | 0.00% |
| Mephies vs Jin | 1–0 | 100.00% |
| Mephies vs Jun | 1–0 | 100.00% |
| Mephies vs Raven | 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.