| HalfDecentNinja vs Yoshimitsu | 39–34 | 53.42% |
| HalfDecentNinja vs Kazuya | 28–36 | 43.75% |
| HalfDecentNinja vs Jin | 25–36 | 40.98% |
| HalfDecentNinja vs Hwoarang | 29–28 | 50.88% |
| HalfDecentNinja vs Dragunov | 28–28 | 50.00% |
| HalfDecentNinja vs Reina | 34–21 | 61.82% |
| HalfDecentNinja vs Paul | 29–23 | 55.77% |
| HalfDecentNinja vs Bryan | 24–24 | 50.00% |
| HalfDecentNinja vs Alisa | 24–22 | 52.17% |
| HalfDecentNinja vs King | 25–20 | 55.56% |
| HalfDecentNinja vs Xiaoyu | 25–20 | 55.56% |
| HalfDecentNinja vs Devil Jin | 25–18 | 58.14% |
| HalfDecentNinja vs Lee | 22–18 | 55.00% |
| HalfDecentNinja vs Steve | 25–12 | 67.57% |
| HalfDecentNinja vs Raven | 18–17 | 51.43% |
| HalfDecentNinja vs Lili | 11–22 | 33.33% |
| HalfDecentNinja vs Leo | 19–14 | 57.58% |
| HalfDecentNinja vs Law | 16–16 | 50.00% |
| HalfDecentNinja vs Asuka | 17–14 | 54.84% |
| HalfDecentNinja vs Nina | 15–14 | 51.72% |
| HalfDecentNinja vs Heihachi | 15–11 | 57.69% |
| HalfDecentNinja vs Jun | 10–15 | 40.00% |
| HalfDecentNinja vs Feng | 11–13 | 45.83% |
| HalfDecentNinja vs Leroy | 11–12 | 47.83% |
| HalfDecentNinja vs Lars | 9–11 | 45.00% |
| HalfDecentNinja vs Azucena | 12–8 | 60.00% |
| HalfDecentNinja vs Victor | 11–6 | 64.71% |
| HalfDecentNinja vs Jack-8 | 9–7 | 56.25% |
| HalfDecentNinja vs Zafina | 7–9 | 43.75% |
| HalfDecentNinja vs Shaheen | 6–9 | 40.00% |
| HalfDecentNinja vs Clive | 6–7 | 46.15% |
| HalfDecentNinja vs Kuma | 6–5 | 54.55% |
| HalfDecentNinja vs Lidia | 2–8 | 20.00% |
| HalfDecentNinja vs Eddy | 4–5 | 44.44% |
| HalfDecentNinja vs Claudio | 2–5 | 28.57% |
| HalfDecentNinja vs Panda | 3–1 | 75.00% |
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.