| Sumina vs Jin | 89–128 | 41.01% |
| Sumina vs Kazuya | 97–108 | 47.32% |
| Sumina vs Bryan | 94–97 | 49.21% |
| Sumina vs King | 80–99 | 44.69% |
| Sumina vs Dragunov | 68–83 | 45.03% |
| Sumina vs Law | 59–76 | 43.70% |
| Sumina vs Hwoarang | 58–67 | 46.40% |
| Sumina vs Fahkumram | 50–75 | 40.00% |
| Sumina vs Lili | 71–48 | 59.66% |
| Sumina vs Steve | 57–51 | 52.78% |
| Sumina vs Reina | 57–41 | 58.16% |
| Sumina vs Armor King | 60–38 | 61.22% |
| Sumina vs Heihachi | 44–51 | 46.32% |
| Sumina vs Yoshimitsu | 44–42 | 51.16% |
| Sumina vs Devil Jin | 34–51–1 | 40.00% |
| Sumina vs Jun | 49–36 | 57.65% |
| Sumina vs Lars | 36–46 | 43.90% |
| Sumina vs Paul | 33–47 | 41.25% |
| Sumina vs Leo | 27–46 | 36.99% |
| Sumina vs Lee | 35–33 | 51.47% |
| Sumina vs Azucena | 26–34 | 43.33% |
| Sumina vs Leroy | 22–31 | 41.51% |
| Sumina vs Xiaoyu | 27–25 | 51.92% |
| Sumina vs Asuka | 30–22 | 57.69% |
| Sumina vs Feng | 23–27 | 46.00% |
| Sumina vs Jack-8 | 14–35 | 28.57% |
| Sumina vs Victor | 20–28 | 41.67% |
| Sumina vs Claudio | 23–24 | 48.94% |
| Sumina vs Anna | 18–28 | 39.13% |
| Sumina vs Lidia | 21–24 | 46.67% |
| Sumina vs Clive | 22–22 | 50.00% |
| Sumina vs Shaheen | 20–23 | 46.51% |
| Sumina vs Alisa | 22–18 | 55.00% |
| Sumina vs Nina | 22–15 | 59.46% |
| Sumina vs Eddy | 13–23 | 36.11% |
| Sumina vs Raven | 14–18 | 43.75% |
| Sumina vs Zafina | 10–15 | 40.00% |
| Sumina vs Miary Zo | 10–14 | 41.67% |
| Sumina vs Kuma | 5–14 | 26.32% |
| Sumina vs Panda | 5–7 | 41.67% |
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.