| Ja_Chiki vs Kazuya | 13–19 | 40.62% |
| Ja_Chiki vs Reina | 18–12 | 60.00% |
| Ja_Chiki vs King | 12–17 | 41.38% |
| Ja_Chiki vs Jin | 17–11 | 60.71% |
| Ja_Chiki vs Jun | 14–11 | 56.00% |
| Ja_Chiki vs Bryan | 8–10 | 44.44% |
| Ja_Chiki vs Hwoarang | 14–3 | 82.35% |
| Ja_Chiki vs Lili | 13–4 | 76.47% |
| Ja_Chiki vs Law | 8–8 | 50.00% |
| Ja_Chiki vs Paul | 8–7 | 53.33% |
| Ja_Chiki vs Devil Jin | 7–7 | 50.00% |
| Ja_Chiki vs Yoshimitsu | 12–1 | 92.31% |
| Ja_Chiki vs Nina | 7–6 | 53.85% |
| Ja_Chiki vs Leroy | 8–5 | 61.54% |
| Ja_Chiki vs Heihachi | 6–6 | 50.00% |
| Ja_Chiki vs Clive | 9–3 | 75.00% |
| Ja_Chiki vs Dragunov | 7–4 | 63.64% |
| Ja_Chiki vs Victor | 5–4 | 55.56% |
| Ja_Chiki vs Lars | 3–5 | 37.50% |
| Ja_Chiki vs Asuka | 1–5 | 16.67% |
| Ja_Chiki vs Feng | 1–5 | 16.67% |
| Ja_Chiki vs Azucena | 4–2 | 66.67% |
| Ja_Chiki vs Eddy | 2–4 | 33.33% |
| Ja_Chiki vs Claudio | 4–1 | 80.00% |
| Ja_Chiki vs Lidia | 1–4 | 20.00% |
| Ja_Chiki vs Leo | 1–3 | 25.00% |
| Ja_Chiki vs Zafina | 2–2 | 50.00% |
| Ja_Chiki vs Raven | 2–2 | 50.00% |
| Ja_Chiki vs Xiaoyu | 2–1 | 66.67% |
| Ja_Chiki vs Steve | 0–2 | 0.00% |
| Ja_Chiki vs Shaheen | 0–2 | 0.00% |
| Ja_Chiki vs Lee | 0–2 | 0.00% |
| Ja_Chiki vs Kuma | 0–2 | 0.00% |
| Ja_Chiki vs Anna | 2–0 | 100.00% |
| Ja_Chiki vs Alisa | 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.