| Niivx vs Kazuya | 40–66 | 37.74% |
| Niivx vs Reina | 44–49 | 47.31% |
| Niivx vs Jin | 32–58 | 35.56% |
| Niivx vs Dragunov | 37–45 | 45.12% |
| Niivx vs King | 27–25 | 51.92% |
| Niivx vs Bryan | 14–32 | 30.43% |
| Niivx vs Heihachi | 16–29 | 35.56% |
| Niivx vs Asuka | 14–24 | 36.84% |
| Niivx vs Lili | 12–25 | 32.43% |
| Niivx vs Devil Jin | 12–22 | 35.29% |
| Niivx vs Yoshimitsu | 15–18 | 45.45% |
| Niivx vs Hwoarang | 12–18 | 40.00% |
| Niivx vs Paul | 10–19 | 34.48% |
| Niivx vs Law | 7–22 | 24.14% |
| Niivx vs Steve | 11–18 | 37.93% |
| Niivx vs Alisa | 11–18 | 37.93% |
| Niivx vs Nina | 11–16 | 40.74% |
| Niivx vs Feng | 10–14 | 41.67% |
| Niivx vs Lee | 6–17 | 26.09% |
| Niivx vs Victor | 12–11 | 52.17% |
| Niivx vs Lars | 12–6 | 66.67% |
| Niivx vs Xiaoyu | 6–11 | 35.29% |
| Niivx vs Leo | 7–10 | 41.18% |
| Niivx vs Jun | 11–6 | 64.71% |
| Niivx vs Lidia | 6–8 | 42.86% |
| Niivx vs Jack-8 | 8–5 | 61.54% |
| Niivx vs Eddy | 4–9 | 30.77% |
| Niivx vs Clive | 4–8 | 33.33% |
| Niivx vs Azucena | 6–5 | 54.55% |
| Niivx vs Shaheen | 3–6 | 33.33% |
| Niivx vs Kuma | 4–4 | 50.00% |
| Niivx vs Claudio | 1–5 | 16.67% |
| Niivx vs Raven | 3–2 | 60.00% |
| Niivx vs Zafina | 2–0 | 100.00% |
| Niivx vs Leroy | 1–1 | 50.00% |
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.