| Stumpi vs Bryan | 238–229 | 50.96% |
| Stumpi vs Steve | 223–183 | 54.93% |
| Stumpi vs Jin | 183–216 | 45.86% |
| Stumpi vs King | 187–203 | 47.95% |
| Stumpi vs Kazuya | 172–166 | 50.89% |
| Stumpi vs Paul | 180–138 | 56.60% |
| Stumpi vs Lee | 138–135 | 50.55% |
| Stumpi vs Hwoarang | 131–141 | 48.16% |
| Stumpi vs Law | 123–111 | 52.56% |
| Stumpi vs Lili | 106–120 | 46.90% |
| Stumpi vs Dragunov | 114–100 | 53.27% |
| Stumpi vs Reina | 96–93 | 50.79% |
| Stumpi vs Yoshimitsu | 61–111 | 35.47% |
| Stumpi vs Asuka | 73–95 | 43.45% |
| Stumpi vs Devil Jin | 68–83 | 45.03% |
| Stumpi vs Heihachi | 76–69 | 52.41% |
| Stumpi vs Lars | 64–79 | 44.76% |
| Stumpi vs Jack-8 | 61–70 | 46.56% |
| Stumpi vs Feng | 66–63 | 51.16% |
| Stumpi vs Xiaoyu | 43–58 | 42.57% |
| Stumpi vs Jun | 43–58 | 42.57% |
| Stumpi vs Alisa | 56–44 | 56.00% |
| Stumpi vs Claudio | 39–61 | 39.00% |
| Stumpi vs Clive | 41–50 | 45.05% |
| Stumpi vs Nina | 48–41 | 53.93% |
| Stumpi vs Victor | 39–47 | 45.35% |
| Stumpi vs Azucena | 48–36 | 57.14% |
| Stumpi vs Leo | 23–44 | 34.33% |
| Stumpi vs Eddy | 32–33 | 49.23% |
| Stumpi vs Lidia | 35–28 | 55.56% |
| Stumpi vs Kuma | 17–45 | 27.42% |
| Stumpi vs Shaheen | 32–28 | 53.33% |
| Stumpi vs Raven | 20–32 | 38.46% |
| Stumpi vs Leroy | 24–27 | 47.06% |
| Stumpi vs Panda | 9–10 | 47.37% |
| Stumpi vs Zafina | 3–10 | 23.08% |
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.