| Nieloo vs Jin | 11–13 | 45.83% |
| Nieloo vs Steve | 11–11 | 50.00% |
| Nieloo vs Lili | 11–8 | 57.89% |
| Nieloo vs Bryan | 7–9 | 43.75% |
| Nieloo vs Reina | 2–10 | 16.67% |
| Nieloo vs King | 4–7 | 36.36% |
| Nieloo vs Feng | 9–1 | 90.00% |
| Nieloo vs Hwoarang | 4–5 | 44.44% |
| Nieloo vs Asuka | 4–4 | 50.00% |
| Nieloo vs Alisa | 1–6 | 14.29% |
| Nieloo vs Victor | 3–4 | 42.86% |
| Nieloo vs Law | 0–6 | 0.00% |
| Nieloo vs Kazuya | 0–6 | 0.00% |
| Nieloo vs Claudio | 0–6 | 0.00% |
| Nieloo vs Eddy | 0–6 | 0.00% |
| Nieloo vs Yoshimitsu | 4–1 | 80.00% |
| Nieloo vs Dragunov | 1–4 | 20.00% |
| Nieloo vs Lidia | 2–3 | 40.00% |
| Nieloo vs Clive | 1–4 | 20.00% |
| Nieloo vs Paul | 0–4 | 0.00% |
| Nieloo vs Fahkumram | 2–2 | 50.00% |
| Nieloo vs Kuma | 2–1 | 66.67% |
| Nieloo vs Devil Jin | 0–2 | 0.00% |
| Nieloo vs Lars | 0–2 | 0.00% |
| Nieloo vs Leroy | 0–2 | 0.00% |
| Nieloo vs Armor King | 0–2 | 0.00% |
| Nieloo vs Zafina | 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.