| Mello378 vs Jin | 8–4 | 66.67% |
| Mello378 vs Reina | 8–2 | 80.00% |
| Mello378 vs Jun | 7–1 | 87.50% |
| Mello378 vs King | 4–3 | 57.14% |
| Mello378 vs Hwoarang | 4–3 | 57.14% |
| Mello378 vs Xiaoyu | 3–2 | 60.00% |
| Mello378 vs Yoshimitsu | 2–2 | 50.00% |
| Mello378 vs Lili | 4–0 | 100.00% |
| Mello378 vs Dragunov | 3–1 | 75.00% |
| Mello378 vs Azucena | 3–1 | 75.00% |
| Mello378 vs Eddy | 3–1 | 75.00% |
| Mello378 vs Devil Jin | 0–3 | 0.00% |
| Mello378 vs Victor | 2–1 | 66.67% |
| Mello378 vs Feng | 0–2 | 0.00% |
| Mello378 vs Alisa | 2–0 | 100.00% |
| Mello378 vs Nina | 1–1 | 50.00% |
| Mello378 vs Lee | 2–0 | 100.00% |
| Mello378 vs Panda | 0–2 | 0.00% |
| Mello378 vs Lidia | 2–0 | 100.00% |
| Mello378 vs Heihachi | 2–0 | 100.00% |
| Mello378 vs Anna | 1–1 | 50.00% |
| Mello378 vs Paul | 1–0 | 100.00% |
| Mello378 vs Law | 1–0 | 100.00% |
| Mello378 vs Bryan | 0–1 | 0.00% |
| Mello378 vs Kazuya | 0–1 | 0.00% |
| Mello378 vs Steve | 1–0 | 100.00% |
| Mello378 vs Lars | 0–1 | 0.00% |
| Mello378 vs Leroy | 1–0 | 100.00% |
| Mello378 vs Clive | 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.