| Riroi Sumisu vs Jin | 8–5 | 61.54% |
| Riroi Sumisu vs King | 9–1 | 90.00% |
| Riroi Sumisu vs Hwoarang | 7–2 | 77.78% |
| Riroi Sumisu vs Lars | 5–3 | 62.50% |
| Riroi Sumisu vs Bryan | 4–3 | 57.14% |
| Riroi Sumisu vs Law | 2–4 | 33.33% |
| Riroi Sumisu vs Xiaoyu | 5–1 | 83.33% |
| Riroi Sumisu vs Dragunov | 3–3 | 50.00% |
| Riroi Sumisu vs Leo | 2–4 | 33.33% |
| Riroi Sumisu vs Yoshimitsu | 0–4 | 0.00% |
| Riroi Sumisu vs Lili | 2–2 | 50.00% |
| Riroi Sumisu vs Paul | 1–2 | 33.33% |
| Riroi Sumisu vs Steve | 2–1 | 66.67% |
| Riroi Sumisu vs Feng | 1–2 | 33.33% |
| Riroi Sumisu vs Eddy | 2–1 | 66.67% |
| Riroi Sumisu vs Kazuya | 0–2 | 0.00% |
| Riroi Sumisu vs Devil Jin | 2–0 | 100.00% |
| Riroi Sumisu vs Claudio | 2–0 | 100.00% |
| Riroi Sumisu vs Shaheen | 2–0 | 100.00% |
| Riroi Sumisu vs Lee | 0–2 | 0.00% |
| Riroi Sumisu vs Reina | 0–2 | 0.00% |
| Riroi Sumisu vs Victor | 2–0 | 100.00% |
| Riroi Sumisu vs Jack-8 | 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.