| John Champion vs King | 7–9 | 43.75% |
| John Champion vs Hwoarang | 6–4 | 60.00% |
| John Champion vs Lili | 5–5 | 50.00% |
| John Champion vs Law | 3–4 | 42.86% |
| John Champion vs Miary Zo | 5–2 | 71.43% |
| John Champion vs Steve | 3–3 | 50.00% |
| John Champion vs Nina | 1–5 | 16.67% |
| John Champion vs Clive | 3–3 | 50.00% |
| John Champion vs Xiaoyu | 3–2 | 60.00% |
| John Champion vs Jin | 1–4 | 20.00% |
| John Champion vs Jack-8 | 0–4 | 0.00% |
| John Champion vs Eddy | 2–2 | 50.00% |
| John Champion vs Fahkumram | 1–3 | 25.00% |
| John Champion vs Kazuya | 2–1 | 66.67% |
| John Champion vs Claudio | 1–2 | 33.33% |
| John Champion vs Armor King | 1–2 | 33.33% |
| John Champion vs Yoshimitsu | 2–0 | 100.00% |
| John Champion vs Bryan | 2–0 | 100.00% |
| John Champion vs Devil Jin | 1–1 | 50.00% |
| John Champion vs Lars | 0–2 | 0.00% |
| John Champion vs Alisa | 0–2 | 0.00% |
| John Champion vs Lee | 0–2 | 0.00% |
| John Champion vs Leroy | 0–2 | 0.00% |
| John Champion vs Jun | 0–2 | 0.00% |
| John Champion vs Reina | 2–0 | 100.00% |
| John Champion vs Victor | 0–2 | 0.00% |
| John Champion vs Asuka | 0–1 | 0.00% |
| John Champion vs Feng | 0–1 | 0.00% |
| John Champion vs Zafina | 1–0 | 100.00% |
| John Champion vs Heihachi | 0–1 | 0.00% |
| John Champion vs Anna | 0–1 | 0.00% |
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.