| Rosumin vs Kazuya | 81–95 | 46.02% |
| Rosumin vs Jin | 73–73 | 50.00% |
| Rosumin vs Reina | 83–57 | 59.29% |
| Rosumin vs King | 68–56 | 54.84% |
| Rosumin vs Dragunov | 36–67 | 34.95% |
| Rosumin vs Hwoarang | 53–48 | 52.48% |
| Rosumin vs Bryan | 40–60 | 40.00% |
| Rosumin vs Lidia | 52–47 | 52.53% |
| Rosumin vs Heihachi | 47–46 | 50.54% |
| Rosumin vs Paul | 45–41 | 52.33% |
| Rosumin vs Law | 50–35 | 58.82% |
| Rosumin vs Lili | 49–35 | 58.33% |
| Rosumin vs Steve | 44–27 | 61.97% |
| Rosumin vs Jun | 29–31 | 48.33% |
| Rosumin vs Asuka | 28–21 | 57.14% |
| Rosumin vs Yoshimitsu | 17–30 | 36.17% |
| Rosumin vs Azucena | 22–25 | 46.81% |
| Rosumin vs Devil Jin | 19–27 | 41.30% |
| Rosumin vs Nina | 24–22 | 52.17% |
| Rosumin vs Feng | 22–21 | 51.16% |
| Rosumin vs Lee | 18–23 | 43.90% |
| Rosumin vs Victor | 10–29 | 25.64% |
| Rosumin vs Eddy | 28–11 | 71.79% |
| Rosumin vs Leo | 18–16 | 52.94% |
| Rosumin vs Alisa | 10–22 | 31.25% |
| Rosumin vs Claudio | 16–16 | 50.00% |
| Rosumin vs Leroy | 16–15 | 51.61% |
| Rosumin vs Lars | 15–15 | 50.00% |
| Rosumin vs Raven | 10–17 | 37.04% |
| Rosumin vs Xiaoyu | 14–12 | 53.85% |
| Rosumin vs Jack-8 | 5–12 | 29.41% |
| Rosumin vs Zafina | 6–10 | 37.50% |
| Rosumin vs Panda | 5–2 | 71.43% |
| Rosumin vs Shaheen | 3–3 | 50.00% |
| Rosumin vs Clive | 2–4 | 33.33% |
| Rosumin vs Anna | 2–4 | 33.33% |
| Rosumin vs Fahkumram | 4–1 | 80.00% |
| Rosumin vs Kuma | 2–2 | 50.00% |
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.