| Oppa Hajima vs King | 18–4 | 81.82% |
| Oppa Hajima vs Kazuya | 8–6 | 57.14% |
| Oppa Hajima vs Law | 9–4 | 69.23% |
| Oppa Hajima vs Jin | 7–6 | 53.85% |
| Oppa Hajima vs Steve | 10–3 | 76.92% |
| Oppa Hajima vs Lars | 8–2 | 80.00% |
| Oppa Hajima vs Azucena | 3–6 | 33.33% |
| Oppa Hajima vs Victor | 7–2 | 77.78% |
| Oppa Hajima vs Reina | 7–1 | 87.50% |
| Oppa Hajima vs Hwoarang | 7–0 | 100.00% |
| Oppa Hajima vs Lili | 7–0 | 100.00% |
| Oppa Hajima vs Jun | 7–0 | 100.00% |
| Oppa Hajima vs Anna | 4–3 | 57.14% |
| Oppa Hajima vs Dragunov | 4–2 | 66.67% |
| Oppa Hajima vs Lee | 3–3 | 50.00% |
| Oppa Hajima vs Eddy | 6–0 | 100.00% |
| Oppa Hajima vs Yoshimitsu | 5–0 | 100.00% |
| Oppa Hajima vs Xiaoyu | 4–1 | 80.00% |
| Oppa Hajima vs Bryan | 2–3 | 40.00% |
| Oppa Hajima vs Claudio | 3–2 | 60.00% |
| Oppa Hajima vs Alisa | 4–0 | 100.00% |
| Oppa Hajima vs Zafina | 3–1 | 75.00% |
| Oppa Hajima vs Lidia | 4–0 | 100.00% |
| Oppa Hajima vs Heihachi | 3–0 | 100.00% |
| Oppa Hajima vs Asuka | 0–2 | 0.00% |
| Oppa Hajima vs Devil Jin | 0–2 | 0.00% |
| Oppa Hajima vs Shaheen | 2–0 | 100.00% |
| Oppa Hajima vs Raven | 0–2 | 0.00% |
| Oppa Hajima vs Leo | 1–0 | 100.00% |
| Oppa Hajima vs Nina | 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.