| Isshi vs Reina | 5–3 | 62.50% |
| Isshi vs Hwoarang | 3–3 | 50.00% |
| Isshi vs Jin | 1–3 | 25.00% |
| Isshi vs Asuka | 2–2 | 50.00% |
| Isshi vs Victor | 3–1 | 75.00% |
| Isshi vs Devil Jin | 1–2 | 33.33% |
| Isshi vs Eddy | 0–3 | 0.00% |
| Isshi vs Bryan | 2–0 | 100.00% |
| Isshi vs Kazuya | 0–2 | 0.00% |
| Isshi vs Jack-8 | 2–0 | 100.00% |
| Isshi vs Lars | 0–2 | 0.00% |
| Isshi vs Feng | 1–1 | 50.00% |
| Isshi vs Law | 0–1 | 0.00% |
| Isshi vs Azucena | 1–0 | 100.00% |
| Isshi vs Xiaoyu | 1–0 | 100.00% |
| Isshi vs Lili | 1–0 | 100.00% |
| Isshi vs Alisa | 1–0 | 100.00% |
| Isshi vs Panda | 0–1 | 0.00% |
| Isshi vs Jun | 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.