| Niifhaw vs Jin | 17–9 | 65.38% |
| Niifhaw vs Steve | 16–6 | 72.73% |
| Niifhaw vs Azucena | 11–6 | 64.71% |
| Niifhaw vs Devil Jin | 9–5 | 64.29% |
| Niifhaw vs Jun | 11–2 | 84.62% |
| Niifhaw vs King | 5–7 | 41.67% |
| Niifhaw vs Dragunov | 9–2 | 81.82% |
| Niifhaw vs Asuka | 3–6 | 33.33% |
| Niifhaw vs Reina | 6–3 | 66.67% |
| Niifhaw vs Armor King | 4–5 | 44.44% |
| Niifhaw vs Yoshimitsu | 2–6 | 25.00% |
| Niifhaw vs Lili | 6–2 | 75.00% |
| Niifhaw vs Kazuya | 4–3 | 57.14% |
| Niifhaw vs Lars | 5–2 | 71.43% |
| Niifhaw vs Claudio | 3–4 | 42.86% |
| Niifhaw vs Heihachi | 4–3 | 57.14% |
| Niifhaw vs Lidia | 6–0 | 100.00% |
| Niifhaw vs Hwoarang | 3–2 | 60.00% |
| Niifhaw vs Xiaoyu | 4–1 | 80.00% |
| Niifhaw vs Leo | 4–1 | 80.00% |
| Niifhaw vs Nina | 4–1 | 80.00% |
| Niifhaw vs Leroy | 2–3 | 40.00% |
| Niifhaw vs Fahkumram | 1–4 | 20.00% |
| Niifhaw vs Alisa | 2–2 | 50.00% |
| Niifhaw vs Victor | 1–3 | 25.00% |
| Niifhaw vs Paul | 2–1 | 66.67% |
| Niifhaw vs Lee | 1–2 | 33.33% |
| Niifhaw vs Eddy | 1–2 | 33.33% |
| Niifhaw vs Bryan | 0–2 | 0.00% |
| Niifhaw vs Jack-8 | 0–2 | 0.00% |
| Niifhaw vs Raven | 2–0 | 100.00% |
| Niifhaw vs Anna | 2–0 | 100.00% |
| Niifhaw vs Law | 1–0 | 100.00% |
| Niifhaw vs Shaheen | 0–1 | 0.00% |
| Niifhaw vs Panda | 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.