| Optimum vs Reina | 47–56 | 45.63% |
| Optimum vs King | 34–65 | 34.34% |
| Optimum vs Jin | 39–53 | 42.39% |
| Optimum vs Steve | 40–51 | 43.96% |
| Optimum vs Dragunov | 26–50 | 34.21% |
| Optimum vs Jun | 26–49 | 34.67% |
| Optimum vs Bryan | 27–47 | 36.49% |
| Optimum vs Lili | 26–48 | 35.14% |
| Optimum vs Azucena | 28–46 | 37.84% |
| Optimum vs Hwoarang | 28–44 | 38.89% |
| Optimum vs Kazuya | 25–44 | 36.23% |
| Optimum vs Eddy | 16–50 | 24.24% |
| Optimum vs Law | 21–30 | 41.18% |
| Optimum vs Xiaoyu | 20–29 | 40.82% |
| Optimum vs Paul | 19–29 | 39.58% |
| Optimum vs Clive | 19–29 | 39.58% |
| Optimum vs Victor | 17–29 | 36.96% |
| Optimum vs Nina | 23–22 | 51.11% |
| Optimum vs Yoshimitsu | 16–22 | 42.11% |
| Optimum vs Heihachi | 16–21 | 43.24% |
| Optimum vs Lars | 14–22 | 38.89% |
| Optimum vs Asuka | 13–17 | 43.33% |
| Optimum vs Lee | 10–18–1 | 35.71% |
| Optimum vs Armor King | 14–15 | 48.28% |
| Optimum vs Shaheen | 13–14 | 48.15% |
| Optimum vs Feng | 4–22 | 15.38% |
| Optimum vs Lidia | 11–15 | 42.31% |
| Optimum vs Alisa | 10–15 | 40.00% |
| Optimum vs Leo | 7–17 | 29.17% |
| Optimum vs Leroy | 6–14 | 30.00% |
| Optimum vs Devil Jin | 2–13 | 13.33% |
| Optimum vs Kuma | 3–12 | 20.00% |
| Optimum vs Raven | 3–12 | 20.00% |
| Optimum vs Claudio | 3–11 | 21.43% |
| Optimum vs Jack-8 | 4–9 | 30.77% |
| Optimum vs Panda | 4–8 | 33.33% |
| Optimum vs Anna | 6–3 | 66.67% |
| Optimum vs Fahkumram | 6–2 | 75.00% |
| Optimum vs Miary Zo | 1–6 | 14.29% |
| Optimum vs Zafina | 1–2 | 33.33% |
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.