| Optimist vs King | 53–74 | 41.73% |
| Optimist vs Jin | 28–38 | 42.42% |
| Optimist vs Steve | 31–30 | 50.82% |
| Optimist vs Bryan | 27–33 | 45.00% |
| Optimist vs Armor King | 18–38 | 32.14% |
| Optimist vs Dragunov | 19–24 | 44.19% |
| Optimist vs Paul | 16–25 | 39.02% |
| Optimist vs Heihachi | 19–15 | 55.88% |
| Optimist vs Kazuya | 17–15 | 53.12% |
| Optimist vs Yoshimitsu | 15–16 | 48.39% |
| Optimist vs Hwoarang | 10–20 | 33.33% |
| Optimist vs Victor | 15–13 | 53.57% |
| Optimist vs Eddy | 8–20 | 28.57% |
| Optimist vs Nina | 8–16 | 33.33% |
| Optimist vs Law | 9–14 | 39.13% |
| Optimist vs Lili | 11–10 | 52.38% |
| Optimist vs Anna | 8–12 | 40.00% |
| Optimist vs Devil Jin | 9–10 | 47.37% |
| Optimist vs Reina | 7–10 | 41.18% |
| Optimist vs Lee | 8–8 | 50.00% |
| Optimist vs Jun | 6–6 | 50.00% |
| Optimist vs Feng | 4–4 | 50.00% |
| Optimist vs Kuma | 3–5 | 37.50% |
| Optimist vs Clive | 5–3 | 62.50% |
| Optimist vs Xiaoyu | 3–4 | 42.86% |
| Optimist vs Lars | 2–5 | 28.57% |
| Optimist vs Azucena | 4–3 | 57.14% |
| Optimist vs Jack-8 | 3–3 | 50.00% |
| Optimist vs Asuka | 2–4 | 33.33% |
| Optimist vs Lidia | 4–2 | 66.67% |
| Optimist vs Shaheen | 3–2 | 60.00% |
| Optimist vs Fahkumram | 2–3 | 40.00% |
| Optimist vs Alisa | 1–3 | 25.00% |
| Optimist vs Claudio | 0–4 | 0.00% |
| Optimist vs Miary Zo | 0–2 | 0.00% |
| Optimist vs Zafina | 1–0 | 100.00% |
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.