| Roji vs King | 8–2 | 80.00% |
| Roji vs Alisa | 2–6 | 25.00% |
| Roji vs Lee | 7–1 | 87.50% |
| Roji vs Clive | 6–1 | 85.71% |
| Roji vs Law | 5–1 | 83.33% |
| Roji vs Bryan | 4–2 | 66.67% |
| Roji vs Lili | 5–1 | 83.33% |
| Roji vs Nina | 4–2 | 66.67% |
| Roji vs Xiaoyu | 5–0 | 100.00% |
| Roji vs Hwoarang | 4–0 | 100.00% |
| Roji vs Lars | 4–0 | 100.00% |
| Roji vs Jun | 4–0 | 100.00% |
| Roji vs Paul | 3–0 | 100.00% |
| Roji vs Kazuya | 3–0 | 100.00% |
| Roji vs Steve | 3–0 | 100.00% |
| Roji vs Asuka | 3–0 | 100.00% |
| Roji vs Victor | 2–1 | 66.67% |
| Roji vs Armor King | 2–1 | 66.67% |
| Roji vs Yoshimitsu | 2–0 | 100.00% |
| Roji vs Devil Jin | 1–1 | 50.00% |
| Roji vs Dragunov | 0–2 | 0.00% |
| Roji vs Leo | 2–0 | 100.00% |
| Roji vs Claudio | 2–0 | 100.00% |
| Roji vs Eddy | 2–0 | 100.00% |
| Roji vs Lidia | 2–0 | 100.00% |
| Roji vs Heihachi | 2–0 | 100.00% |
| Roji vs Jin | 1–0 | 100.00% |
| Roji vs Reina | 1–0 | 100.00% |
| Roji vs Anna | 1–0 | 100.00% |
| Roji vs Fahkumram | 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.