| Samumu vs Kazuya | 388–427 | 47.61% |
| Samumu vs Bryan | 318–351 | 47.53% |
| Samumu vs Jin | 317–342 | 48.10% |
| Samumu vs King | 305–347–1 | 46.78% |
| Samumu vs Reina | 299–296 | 50.25% |
| Samumu vs Steve | 256–284 | 47.41% |
| Samumu vs Hwoarang | 183–210 | 46.56% |
| Samumu vs Law | 170–216 | 44.04% |
| Samumu vs Heihachi | 169–217 | 43.78% |
| Samumu vs Dragunov | 169–206 | 45.07% |
| Samumu vs Yoshimitsu | 144–228 | 38.71% |
| Samumu vs Lili | 171–196 | 46.59% |
| Samumu vs Lee | 168–192 | 46.67% |
| Samumu vs Paul | 151–203 | 42.66% |
| Samumu vs Asuka | 123–156 | 44.09% |
| Samumu vs Lars | 121–155 | 43.84% |
| Samumu vs Xiaoyu | 108–167 | 39.27% |
| Samumu vs Jun | 116–158 | 42.34% |
| Samumu vs Devil Jin | 114–152 | 42.86% |
| Samumu vs Lidia | 127–106 | 54.51% |
| Samumu vs Azucena | 102–128 | 44.35% |
| Samumu vs Armor King | 88–128 | 40.74% |
| Samumu vs Leo | 85–125 | 40.48% |
| Samumu vs Nina | 98–105 | 48.28% |
| Samumu vs Eddy | 70–115 | 37.84% |
| Samumu vs Jack-8 | 77–101 | 43.26% |
| Samumu vs Feng | 70–108 | 39.33% |
| Samumu vs Victor | 69–104 | 39.88% |
| Samumu vs Raven | 65–89 | 42.21% |
| Samumu vs Leroy | 68–71 | 48.92% |
| Samumu vs Alisa | 45–93 | 32.61% |
| Samumu vs Fahkumram | 67–69 | 49.26% |
| Samumu vs Claudio | 60–66 | 47.62% |
| Samumu vs Anna | 50–58 | 46.30% |
| Samumu vs Kuma | 39–59 | 39.80% |
| Samumu vs Shaheen | 42–48 | 46.67% |
| Samumu vs Clive | 28–60 | 31.82% |
| Samumu vs Zafina | 52–35 | 59.77% |
| Samumu vs Miary Zo | 24–40 | 37.50% |
| Samumu vs Panda | 9–29 | 23.68% |
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.