| Optimist vs King | 55–77 | 41.67% |
| Optimist vs Jin | 32–42 | 43.24% |
| Optimist vs Bryan | 33–39 | 45.83% |
| Optimist vs Steve | 33–34 | 49.25% |
| Optimist vs Armor King | 22–39 | 36.07% |
| Optimist vs Dragunov | 21–26 | 44.68% |
| Optimist vs Paul | 18–27 | 40.00% |
| Optimist vs Kazuya | 24–20 | 54.55% |
| Optimist vs Heihachi | 24–17 | 58.54% |
| Optimist vs Victor | 20–19 | 51.28% |
| Optimist vs Yoshimitsu | 15–19 | 44.12% |
| Optimist vs Hwoarang | 11–22 | 33.33% |
| Optimist vs Lili | 16–13 | 55.17% |
| Optimist vs Eddy | 8–20 | 28.57% |
| Optimist vs Nina | 10–17 | 37.04% |
| Optimist vs Law | 9–14 | 39.13% |
| Optimist vs Lee | 9–12 | 42.86% |
| Optimist vs Devil Jin | 9–11 | 45.00% |
| Optimist vs Anna | 8–12 | 40.00% |
| Optimist vs Reina | 7–10 | 41.18% |
| Optimist vs Jun | 8–6 | 57.14% |
| Optimist vs Asuka | 4–6 | 40.00% |
| Optimist vs Azucena | 4–6 | 40.00% |
| Optimist vs Clive | 7–3 | 70.00% |
| Optimist vs Fahkumram | 5–4 | 55.56% |
| Optimist vs Xiaoyu | 4–4 | 50.00% |
| Optimist vs Feng | 4–4 | 50.00% |
| Optimist vs Kuma | 3–5 | 37.50% |
| Optimist vs Lars | 2–5 | 28.57% |
| Optimist vs Jack-8 | 3–3 | 50.00% |
| Optimist vs Lidia | 4–2 | 66.67% |
| Optimist vs Shaheen | 3–2 | 60.00% |
| Optimist vs Alisa | 1–3 | 25.00% |
| Optimist vs Claudio | 0–4 | 0.00% |
| Optimist vs Leroy | 0–3 | 0.00% |
| Optimist vs Miary Zo | 0–2 | 0.00% |
| Optimist vs Leo | 1–0 | 100.00% |
| Optimist vs Panda | 0–1 | 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.