| Somnus vs Jin | 206–217 | 48.70% |
| Somnus vs Kazuya | 200–215 | 48.19% |
| Somnus vs King | 173–180–1 | 49.01% |
| Somnus vs Heihachi | 142–122 | 53.79% |
| Somnus vs Bryan | 109–139–1 | 43.95% |
| Somnus vs Reina | 139–100 | 58.16% |
| Somnus vs Dragunov | 116–109 | 51.56% |
| Somnus vs Hwoarang | 84–121 | 40.98% |
| Somnus vs Lili | 82–106 | 43.62% |
| Somnus vs Law | 71–109 | 39.44% |
| Somnus vs Steve | 73–100 | 42.20% |
| Somnus vs Yoshimitsu | 94–76 | 55.29% |
| Somnus vs Devil Jin | 81–87 | 48.21% |
| Somnus vs Paul | 73–87 | 45.62% |
| Somnus vs Azucena | 68–67 | 50.37% |
| Somnus vs Jun | 64–64 | 50.00% |
| Somnus vs Lee | 68–51 | 57.14% |
| Somnus vs Eddy | 46–69 | 40.00% |
| Somnus vs Lidia | 61–54 | 53.04% |
| Somnus vs Lars | 52–61 | 46.02% |
| Somnus vs Xiaoyu | 51–57 | 47.22% |
| Somnus vs Clive | 43–60 | 41.75% |
| Somnus vs Asuka | 50–51 | 49.50% |
| Somnus vs Nina | 42–53 | 44.21% |
| Somnus vs Feng | 42–52 | 44.68% |
| Somnus vs Claudio | 53–41 | 56.38% |
| Somnus vs Victor | 42–52 | 44.68% |
| Somnus vs Anna | 47–39 | 54.65% |
| Somnus vs Leo | 44–40 | 52.38% |
| Somnus vs Armor King | 33–44 | 42.86% |
| Somnus vs Jack-8 | 37–34 | 52.11% |
| Somnus vs Shaheen | 28–41 | 40.58% |
| Somnus vs Alisa | 21–46 | 31.34% |
| Somnus vs Raven | 39–28 | 58.21% |
| Somnus vs Zafina | 28–33 | 45.90% |
| Somnus vs Leroy | 32–29 | 52.46% |
| Somnus vs Kuma | 29–24 | 54.72% |
| Somnus vs Fahkumram | 27–26 | 50.94% |
| Somnus vs Panda | 13–13 | 50.00% |
| Somnus vs Miary Zo | 5–11 | 31.25% |
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.