| JacIV vs King | 18–15 | 54.55% |
| JacIV vs Lili | 13–16 | 44.83% |
| JacIV vs Bryan | 15–12 | 55.56% |
| JacIV vs Steve | 19–8 | 70.37% |
| JacIV vs Azucena | 14–12 | 53.85% |
| JacIV vs Reina | 12–12 | 50.00% |
| JacIV vs Hwoarang | 12–11 | 52.17% |
| JacIV vs Kazuya | 16–5 | 76.19% |
| JacIV vs Jun | 8–12 | 40.00% |
| JacIV vs Eddy | 11–9 | 55.00% |
| JacIV vs Jin | 10–9 | 52.63% |
| JacIV vs Dragunov | 13–5 | 72.22% |
| JacIV vs Raven | 11–7 | 61.11% |
| JacIV vs Yoshimitsu | 9–8 | 52.94% |
| JacIV vs Law | 1–13 | 7.14% |
| JacIV vs Lars | 8–6 | 57.14% |
| JacIV vs Nina | 4–10 | 28.57% |
| JacIV vs Victor | 4–10 | 28.57% |
| JacIV vs Leo | 9–4 | 69.23% |
| JacIV vs Asuka | 3–8 | 27.27% |
| JacIV vs Devil Jin | 3–8 | 27.27% |
| JacIV vs Paul | 4–6 | 40.00% |
| JacIV vs Xiaoyu | 6–3 | 66.67% |
| JacIV vs Feng | 7–2 | 77.78% |
| JacIV vs Jack-8 | 4–4 | 50.00% |
| JacIV vs Alisa | 5–3 | 62.50% |
| JacIV vs Claudio | 5–1 | 83.33% |
| JacIV vs Zafina | 4–2 | 66.67% |
| JacIV vs Leroy | 4–2 | 66.67% |
| JacIV vs Clive | 5–1 | 83.33% |
| JacIV vs Armor King | 1–5 | 16.67% |
| JacIV vs Heihachi | 4–1 | 80.00% |
| JacIV vs Lee | 1–3 | 25.00% |
| JacIV vs Lidia | 0–4 | 0.00% |
| JacIV vs Miary Zo | 2–2 | 50.00% |
| JacIV vs Kuma | 2–1 | 66.67% |
| JacIV vs Panda | 0–2 | 0.00% |
| JacIV vs Anna | 0–2 | 0.00% |
| JacIV vs Fahkumram | 0–2 | 0.00% |
| JacIV vs Shaheen | 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.