| Roujiamo vs Kazuya | 53–67 | 44.17% |
| Roujiamo vs King | 46–62 | 42.59% |
| Roujiamo vs Jin | 47–54 | 46.53% |
| Roujiamo vs Reina | 43–43 | 50.00% |
| Roujiamo vs Hwoarang | 42–37 | 53.16% |
| Roujiamo vs Dragunov | 24–44 | 35.29% |
| Roujiamo vs Bryan | 31–35 | 46.97% |
| Roujiamo vs Paul | 20–40 | 33.33% |
| Roujiamo vs Heihachi | 30–30 | 50.00% |
| Roujiamo vs Steve | 33–26 | 55.93% |
| Roujiamo vs Clive | 13–45 | 22.41% |
| Roujiamo vs Law | 28–26 | 51.85% |
| Roujiamo vs Jun | 23–31 | 42.59% |
| Roujiamo vs Yoshimitsu | 23–28 | 45.10% |
| Roujiamo vs Eddy | 17–27 | 38.64% |
| Roujiamo vs Asuka | 14–29 | 32.56% |
| Roujiamo vs Lili | 11–32 | 25.58% |
| Roujiamo vs Azucena | 18–23 | 43.90% |
| Roujiamo vs Lee | 15–17 | 46.88% |
| Roujiamo vs Victor | 19–11 | 63.33% |
| Roujiamo vs Claudio | 14–14 | 50.00% |
| Roujiamo vs Lidia | 11–16 | 40.74% |
| Roujiamo vs Devil Jin | 10–14 | 41.67% |
| Roujiamo vs Raven | 8–15 | 34.78% |
| Roujiamo vs Nina | 9–13 | 40.91% |
| Roujiamo vs Xiaoyu | 11–10 | 52.38% |
| Roujiamo vs Leo | 8–11 | 42.11% |
| Roujiamo vs Alisa | 1–17 | 5.56% |
| Roujiamo vs Jack-8 | 7–10 | 41.18% |
| Roujiamo vs Lars | 4–11 | 26.67% |
| Roujiamo vs Feng | 2–12 | 14.29% |
| Roujiamo vs Zafina | 6–7 | 46.15% |
| Roujiamo vs Kuma | 4–8 | 33.33% |
| Roujiamo vs Leroy | 3–9 | 25.00% |
| Roujiamo vs Panda | 2–0 | 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.