| RUMIKA vs Reina | 131–141 | 48.16% |
| RUMIKA vs Kazuya | 106–122 | 46.49% |
| RUMIKA vs King | 95–112 | 45.89% |
| RUMIKA vs Asuka | 100–89 | 52.91% |
| RUMIKA vs Bryan | 98–90 | 52.13% |
| RUMIKA vs Heihachi | 90–91 | 49.72% |
| RUMIKA vs Lili | 102–77 | 56.98% |
| RUMIKA vs Paul | 67–111 | 37.64% |
| RUMIKA vs Dragunov | 84–94 | 47.19% |
| RUMIKA vs Jin | 81–73 | 52.60% |
| RUMIKA vs Hwoarang | 54–70 | 43.55% |
| RUMIKA vs Jun | 74–49 | 60.16% |
| RUMIKA vs Xiaoyu | 68–54 | 55.74% |
| RUMIKA vs Steve | 57–53 | 51.82% |
| RUMIKA vs Victor | 34–65 | 34.34% |
| RUMIKA vs Lidia | 51–46 | 52.58% |
| RUMIKA vs Nina | 43–52 | 45.26% |
| RUMIKA vs Law | 29–62 | 31.87% |
| RUMIKA vs Alisa | 29–49 | 37.18% |
| RUMIKA vs Devil Jin | 34–43 | 44.16% |
| RUMIKA vs Leo | 34–42 | 44.74% |
| RUMIKA vs Feng | 30–44 | 40.54% |
| RUMIKA vs Lee | 35–39 | 47.30% |
| RUMIKA vs Azucena | 26–45 | 36.62% |
| RUMIKA vs Lars | 21–45 | 31.82% |
| RUMIKA vs Yoshimitsu | 35–30 | 53.85% |
| RUMIKA vs Eddy | 27–30 | 47.37% |
| RUMIKA vs Claudio | 21–35 | 37.50% |
| RUMIKA vs Leroy | 29–25 | 53.70% |
| RUMIKA vs Jack-8 | 17–32 | 34.69% |
| RUMIKA vs Armor King | 14–33 | 29.79% |
| RUMIKA vs Raven | 26–18 | 59.09% |
| RUMIKA vs Shaheen | 21–22 | 48.84% |
| RUMIKA vs Zafina | 16–23 | 41.03% |
| RUMIKA vs Kuma | 18–17 | 51.43% |
| RUMIKA vs Clive | 16–15 | 51.61% |
| RUMIKA vs Panda | 14–13 | 51.85% |
| RUMIKA vs Anna | 9–9 | 50.00% |
| RUMIKA vs Fahkumram | 2–8 | 20.00% |
| RUMIKA vs Miary Zo | 4–2 | 66.67% |
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.