| Rruina vs Kazuya | 316–274 | 53.56% |
| Rruina vs Jin | 252–266 | 48.65% |
| Rruina vs Bryan | 250–222 | 52.97% |
| Rruina vs Hwoarang | 224–184 | 54.90% |
| Rruina vs Dragunov | 236–163 | 59.15% |
| Rruina vs King | 182–165 | 52.45% |
| Rruina vs Reina | 172–168 | 50.59% |
| Rruina vs Steve | 178–160 | 52.66% |
| Rruina vs Yoshimitsu | 184–125 | 59.55% |
| Rruina vs Devil Jin | 158–144 | 52.32% |
| Rruina vs Paul | 168–120 | 58.33% |
| Rruina vs Lili | 161–110 | 59.41% |
| Rruina vs Law | 139–121 | 53.46% |
| Rruina vs Feng | 121–126 | 48.99% |
| Rruina vs Lee | 97–150 | 39.27% |
| Rruina vs Nina | 118–113 | 51.08% |
| Rruina vs Raven | 116–106 | 52.25% |
| Rruina vs Azucena | 114–106 | 51.82% |
| Rruina vs Lars | 115–91 | 55.83% |
| Rruina vs Asuka | 126–72 | 63.64% |
| Rruina vs Jun | 102–86 | 54.26% |
| Rruina vs Jack-8 | 106–81 | 56.68% |
| Rruina vs Heihachi | 80–106 | 43.01% |
| Rruina vs Leo | 100–81 | 55.25% |
| Rruina vs Alisa | 102–75 | 57.63% |
| Rruina vs Zafina | 96–76 | 55.81% |
| Rruina vs Armor King | 94–63 | 59.87% |
| Rruina vs Xiaoyu | 86–57 | 60.14% |
| Rruina vs Victor | 63–80 | 44.06% |
| Rruina vs Clive | 55–87 | 38.73% |
| Rruina vs Claudio | 65–65 | 50.00% |
| Rruina vs Leroy | 67–59 | 53.17% |
| Rruina vs Shaheen | 67–49 | 57.76% |
| Rruina vs Fahkumram | 55–43 | 56.12% |
| Rruina vs Lidia | 43–44 | 49.43% |
| Rruina vs Eddy | 37–40 | 48.05% |
| Rruina vs Kuma | 44–28 | 61.11% |
| Rruina vs Anna | 41–28 | 59.42% |
| Rruina vs Miary Zo | 21–38 | 35.59% |
| Rruina vs Panda | 14–20 | 41.18% |
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.