| Mario66 vs Hwoarang | 6–2 | 75.00% |
| Mario66 vs Law | 6–1 | 85.71% |
| Mario66 vs Jack-8 | 2–5 | 28.57% |
| Mario66 vs Jin | 4–1 | 80.00% |
| Mario66 vs Kazuya | 2–1 | 66.67% |
| Mario66 vs Victor | 1–2 | 33.33% |
| Mario66 vs Anna | 1–2 | 33.33% |
| Mario66 vs Paul | 2–0 | 100.00% |
| Mario66 vs King | 0–2 | 0.00% |
| Mario66 vs Xiaoyu | 1–1 | 50.00% |
| Mario66 vs Dragunov | 0–2 | 0.00% |
| Mario66 vs Leroy | 2–0 | 100.00% |
| Mario66 vs Steve | 0–1 | 0.00% |
| Mario66 vs Nina | 0–1 | 0.00% |
| Mario66 vs Azucena | 1–0 | 100.00% |
| Mario66 vs Eddy | 0–1 | 0.00% |
| Mario66 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.