| Nivvie vs Reina | 14–27 | 34.15% |
| Nivvie vs Jin | 8–22 | 26.67% |
| Nivvie vs King | 5–23 | 17.86% |
| Nivvie vs Bryan | 9–16 | 36.00% |
| Nivvie vs Hwoarang | 2–20 | 9.09% |
| Nivvie vs Kazuya | 4–18 | 18.18% |
| Nivvie vs Law | 3–15 | 16.67% |
| Nivvie vs Nina | 6–12 | 33.33% |
| Nivvie vs Clive | 2–13 | 13.33% |
| Nivvie vs Xiaoyu | 6–8 | 42.86% |
| Nivvie vs Steve | 1–11 | 8.33% |
| Nivvie vs Jun | 3–9 | 25.00% |
| Nivvie vs Azucena | 4–7 | 36.36% |
| Nivvie vs Lee | 3–7 | 30.00% |
| Nivvie vs Eddy | 2–7 | 22.22% |
| Nivvie vs Lidia | 3–5 | 37.50% |
| Nivvie vs Paul | 1–6 | 14.29% |
| Nivvie vs Heihachi | 1–6 | 14.29% |
| Nivvie vs Devil Jin | 0–6 | 0.00% |
| Nivvie vs Lili | 0–6 | 0.00% |
| Nivvie vs Dragunov | 0–6 | 0.00% |
| Nivvie vs Lars | 2–4 | 33.33% |
| Nivvie vs Yoshimitsu | 1–4 | 20.00% |
| Nivvie vs Asuka | 1–3 | 25.00% |
| Nivvie vs Alisa | 1–3 | 25.00% |
| Nivvie vs Jack-8 | 1–2 | 33.33% |
| Nivvie vs Victor | 0–3 | 0.00% |
| Nivvie vs Claudio | 0–2 | 0.00% |
| Nivvie vs Panda | 0–2 | 0.00% |
| Nivvie vs Leroy | 1–1 | 50.00% |
| Nivvie vs Raven | 0–1 | 0.00% |
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.