| Peki Jason vs King | 21–17 | 55.26% |
| Peki Jason vs Kazuya | 19–18 | 51.35% |
| Peki Jason vs Eddy | 16–19 | 45.71% |
| Peki Jason vs Jin | 12–17 | 41.38% |
| Peki Jason vs Dragunov | 20–8 | 71.43% |
| Peki Jason vs Reina | 16–8 | 66.67% |
| Peki Jason vs Steve | 15–7 | 68.18% |
| Peki Jason vs Lili | 12–10 | 54.55% |
| Peki Jason vs Hwoarang | 17–4 | 80.95% |
| Peki Jason vs Law | 9–8 | 52.94% |
| Peki Jason vs Bryan | 9–8 | 52.94% |
| Peki Jason vs Jun | 8–8 | 50.00% |
| Peki Jason vs Paul | 8–6 | 57.14% |
| Peki Jason vs Lee | 6–8 | 42.86% |
| Peki Jason vs Asuka | 6–7 | 46.15% |
| Peki Jason vs Yoshimitsu | 7–5 | 58.33% |
| Peki Jason vs Lars | 7–5 | 58.33% |
| Peki Jason vs Nina | 7–5 | 58.33% |
| Peki Jason vs Azucena | 7–5 | 58.33% |
| Peki Jason vs Xiaoyu | 4–7 | 36.36% |
| Peki Jason vs Feng | 3–8 | 27.27% |
| Peki Jason vs Alisa | 5–6 | 45.45% |
| Peki Jason vs Devil Jin | 8–2 | 80.00% |
| Peki Jason vs Victor | 8–2 | 80.00% |
| Peki Jason vs Leroy | 6–3 | 66.67% |
| Peki Jason vs Anna | 4–4 | 50.00% |
| Peki Jason vs Miary Zo | 6–2 | 75.00% |
| Peki Jason vs Jack-8 | 4–2 | 66.67% |
| Peki Jason vs Shaheen | 2–3 | 40.00% |
| Peki Jason vs Raven | 1–3 | 25.00% |
| Peki Jason vs Lidia | 3–1 | 75.00% |
| Peki Jason vs Leo | 1–2 | 33.33% |
| Peki Jason vs Heihachi | 0–3 | 0.00% |
| Peki Jason vs Zafina | 2–0 | 100.00% |
| Peki Jason vs Clive | 2–0 | 100.00% |
| Peki Jason vs Claudio | 1–0 | 100.00% |
| Peki Jason vs Kuma | 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.