| DemoMan vs King | 428–451 | 48.69% |
| DemoMan vs Paul | 307–349 | 46.80% |
| DemoMan vs Jin | 290–311 | 48.25% |
| DemoMan vs Law | 250–287 | 46.55% |
| DemoMan vs Kazuya | 241–290 | 45.39% |
| DemoMan vs Bryan | 239–260 | 47.90% |
| DemoMan vs Dragunov | 267–222 | 54.60% |
| DemoMan vs Yoshimitsu | 156–214 | 42.16% |
| DemoMan vs Hwoarang | 173–186 | 48.19% |
| DemoMan vs Nina | 160–151 | 51.45% |
| DemoMan vs Heihachi | 148–146 | 50.34% |
| DemoMan vs Steve | 160–132 | 54.79% |
| DemoMan vs Victor | 153–134 | 53.31% |
| DemoMan vs Reina | 163–115 | 58.63% |
| DemoMan vs Devil Jin | 120–149–1 | 44.61% |
| DemoMan vs Feng | 102–152 | 40.16% |
| DemoMan vs Alisa | 97–130 | 42.73% |
| DemoMan vs Azucena | 122–96 | 55.96% |
| DemoMan vs Eddy | 94–103 | 47.72% |
| DemoMan vs Lee | 84–91 | 48.00% |
| DemoMan vs Leroy | 94–56 | 62.67% |
| DemoMan vs Jun | 65–65 | 50.00% |
| DemoMan vs Asuka | 61–58 | 51.26% |
| DemoMan vs Claudio | 59–58 | 50.43% |
| DemoMan vs Lars | 58–56 | 50.88% |
| DemoMan vs Jack-8 | 49–61 | 44.55% |
| DemoMan vs Armor King | 46–55 | 45.54% |
| DemoMan vs Lili | 41–58–1 | 41.41% |
| DemoMan vs Xiaoyu | 35–61 | 36.46% |
| DemoMan vs Clive | 49–47 | 51.04% |
| DemoMan vs Shaheen | 34–60 | 36.17% |
| DemoMan vs Leo | 42–43 | 49.41% |
| DemoMan vs Raven | 43–42 | 50.59% |
| DemoMan vs Lidia | 34–44 | 43.59% |
| DemoMan vs Fahkumram | 22–47 | 31.88% |
| DemoMan vs Zafina | 35–32 | 52.24% |
| DemoMan vs Anna | 31–35 | 46.97% |
| DemoMan vs Kuma | 27–36 | 42.86% |
| DemoMan vs Miary Zo | 15–8 | 65.22% |
| DemoMan vs Panda | 9–12 | 42.86% |
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.