| Niightslash vs Reina | 25–24 | 51.02% |
| Niightslash vs King | 19–19 | 50.00% |
| Niightslash vs Steve | 16–15 | 51.61% |
| Niightslash vs Hwoarang | 13–12 | 52.00% |
| Niightslash vs Jin | 13–10 | 56.52% |
| Niightslash vs Jack-8 | 11–12 | 47.83% |
| Niightslash vs Lili | 7–16 | 30.43% |
| Niightslash vs Kazuya | 8–14 | 36.36% |
| Niightslash vs Asuka | 4–14 | 22.22% |
| Niightslash vs Bryan | 5–12 | 29.41% |
| Niightslash vs Lars | 8–9 | 47.06% |
| Niightslash vs Jun | 6–11 | 35.29% |
| Niightslash vs Eddy | 0–17 | 0.00% |
| Niightslash vs Azucena | 7–9 | 43.75% |
| Niightslash vs Heihachi | 7–9 | 43.75% |
| Niightslash vs Paul | 5–10 | 33.33% |
| Niightslash vs Law | 10–4 | 71.43% |
| Niightslash vs Claudio | 9–5 | 64.29% |
| Niightslash vs Clive | 8–6 | 57.14% |
| Niightslash vs Xiaoyu | 8–5 | 61.54% |
| Niightslash vs Nina | 5–8 | 38.46% |
| Niightslash vs Lee | 9–4 | 69.23% |
| Niightslash vs Victor | 8–5 | 61.54% |
| Niightslash vs Feng | 3–8 | 27.27% |
| Niightslash vs Yoshimitsu | 7–3 | 70.00% |
| Niightslash vs Zafina | 1–9 | 10.00% |
| Niightslash vs Alisa | 5–4 | 55.56% |
| Niightslash vs Raven | 4–5 | 44.44% |
| Niightslash vs Lidia | 6–3 | 66.67% |
| Niightslash vs Devil Jin | 3–4 | 42.86% |
| Niightslash vs Shaheen | 3–4 | 42.86% |
| Niightslash vs Kuma | 1–5 | 16.67% |
| Niightslash vs Dragunov | 2–3 | 40.00% |
| Niightslash vs Leo | 2–3 | 40.00% |
| Niightslash vs Leroy | 4–1 | 80.00% |
| Niightslash vs Panda | 1–3 | 25.00% |
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.