| Roumani vs Jin | 58–35 | 62.37% |
| Roumani vs Kazuya | 40–51 | 43.96% |
| Roumani vs Bryan | 39–23 | 62.90% |
| Roumani vs King | 31–30 | 50.82% |
| Roumani vs Dragunov | 36–25 | 59.02% |
| Roumani vs Heihachi | 28–27 | 50.91% |
| Roumani vs Yoshimitsu | 23–22 | 51.11% |
| Roumani vs Steve | 28–15 | 65.12% |
| Roumani vs Reina | 23–20 | 53.49% |
| Roumani vs Lee | 11–25 | 30.56% |
| Roumani vs Law | 15–17 | 46.88% |
| Roumani vs Paul | 8–23 | 25.81% |
| Roumani vs Hwoarang | 17–14 | 54.84% |
| Roumani vs Feng | 19–12 | 61.29% |
| Roumani vs Devil Jin | 16–12 | 57.14% |
| Roumani vs Alisa | 13–13 | 50.00% |
| Roumani vs Victor | 14–12 | 53.85% |
| Roumani vs Nina | 12–10 | 54.55% |
| Roumani vs Jun | 16–6 | 72.73% |
| Roumani vs Clive | 13–8 | 61.90% |
| Roumani vs Claudio | 11–8 | 57.89% |
| Roumani vs Eddy | 12–7 | 63.16% |
| Roumani vs Lili | 11–7 | 61.11% |
| Roumani vs Azucena | 10–6 | 62.50% |
| Roumani vs Lidia | 8–7 | 53.33% |
| Roumani vs Xiaoyu | 8–5 | 61.54% |
| Roumani vs Lars | 9–4 | 69.23% |
| Roumani vs Armor King | 7–6 | 53.85% |
| Roumani vs Leroy | 8–4 | 66.67% |
| Roumani vs Jack-8 | 5–5 | 50.00% |
| Roumani vs Asuka | 6–3 | 66.67% |
| Roumani vs Leo | 1–7 | 12.50% |
| Roumani vs Shaheen | 3–3 | 50.00% |
| Roumani vs Zafina | 3–3 | 50.00% |
| Roumani vs Raven | 3–1 | 75.00% |
| Roumani vs Anna | 2–2 | 50.00% |
| Roumani vs Fahkumram | 4–0 | 100.00% |
| Roumani vs Kuma | 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.