| JohnWestTuna vs King | 4–9 | 30.77% |
| JohnWestTuna vs Dragunov | 7–5 | 58.33% |
| JohnWestTuna vs Reina | 7–5 | 58.33% |
| JohnWestTuna vs Kazuya | 4–7 | 36.36% |
| JohnWestTuna vs Lili | 5–3 | 62.50% |
| JohnWestTuna vs Lars | 4–4 | 50.00% |
| JohnWestTuna vs Law | 3–4 | 42.86% |
| JohnWestTuna vs Paul | 1–5 | 16.67% |
| JohnWestTuna vs Bryan | 3–3 | 50.00% |
| JohnWestTuna vs Jun | 4–2 | 66.67% |
| JohnWestTuna vs Lidia | 4–2 | 66.67% |
| JohnWestTuna vs Jin | 4–1 | 80.00% |
| JohnWestTuna vs Asuka | 2–3 | 40.00% |
| JohnWestTuna vs Nina | 2–3 | 40.00% |
| JohnWestTuna vs Azucena | 3–2 | 60.00% |
| JohnWestTuna vs Raven | 2–3 | 40.00% |
| JohnWestTuna vs Eddy | 2–2 | 50.00% |
| JohnWestTuna vs Yoshimitsu | 2–1 | 66.67% |
| JohnWestTuna vs Hwoarang | 1–2 | 33.33% |
| JohnWestTuna vs Devil Jin | 2–1 | 66.67% |
| JohnWestTuna vs Leroy | 2–1 | 66.67% |
| JohnWestTuna vs Xiaoyu | 2–0 | 100.00% |
| JohnWestTuna vs Steve | 0–2 | 0.00% |
| JohnWestTuna vs Jack-8 | 0–2 | 0.00% |
| JohnWestTuna vs Panda | 0–2 | 0.00% |
| JohnWestTuna vs Feng | 1–0 | 100.00% |
| JohnWestTuna vs Claudio | 1–0 | 100.00% |
| JohnWestTuna vs Victor | 0–1 | 0.00% |
| JohnWestTuna vs Heihachi | 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.