| Kai Jules vs Kazuya | 11–25 | 30.56% |
| Kai Jules vs Reina | 12–22 | 35.29% |
| Kai Jules vs Steve | 9–16 | 36.00% |
| Kai Jules vs Dragunov | 5–20 | 20.00% |
| Kai Jules vs Jin | 9–15 | 37.50% |
| Kai Jules vs Eddy | 2–19 | 9.52% |
| Kai Jules vs Paul | 6–13 | 31.58% |
| Kai Jules vs King | 6–12 | 33.33% |
| Kai Jules vs Asuka | 9–8 | 52.94% |
| Kai Jules vs Law | 8–6 | 57.14% |
| Kai Jules vs Bryan | 4–10 | 28.57% |
| Kai Jules vs Jun | 5–8 | 38.46% |
| Kai Jules vs Hwoarang | 10–2 | 83.33% |
| Kai Jules vs Victor | 3–7 | 30.00% |
| Kai Jules vs Yoshimitsu | 2–6 | 25.00% |
| Kai Jules vs Lili | 2–5 | 28.57% |
| Kai Jules vs Claudio | 2–4 | 33.33% |
| Kai Jules vs Lidia | 1–5 | 16.67% |
| Kai Jules vs Jack-8 | 0–5 | 0.00% |
| Kai Jules vs Nina | 2–3 | 40.00% |
| Kai Jules vs Lee | 0–5 | 0.00% |
| Kai Jules vs Kuma | 4–1 | 80.00% |
| Kai Jules vs Leo | 1–3 | 25.00% |
| Kai Jules vs Lars | 0–4 | 0.00% |
| Kai Jules vs Shaheen | 2–2 | 50.00% |
| Kai Jules vs Zafina | 1–3 | 25.00% |
| Kai Jules vs Leroy | 1–3 | 25.00% |
| Kai Jules vs Xiaoyu | 0–3 | 0.00% |
| Kai Jules vs Devil Jin | 1–2 | 33.33% |
| Kai Jules vs Feng | 0–3 | 0.00% |
| Kai Jules vs Alisa | 1–2 | 33.33% |
| Kai Jules vs Heihachi | 0–2 | 0.00% |
| Kai Jules vs Azucena | 0–1 | 0.00% |
| Kai Jules vs Raven | 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.