| Niko vs Jin | 67–63 | 51.54% |
| Niko vs Hwoarang | 49–62 | 44.14% |
| Niko vs Law | 41–56 | 42.27% |
| Niko vs Kazuya | 29–57 | 33.72% |
| Niko vs Armor King | 47–38 | 55.29% |
| Niko vs Bryan | 31–35 | 46.97% |
| Niko vs King | 32–32 | 50.00% |
| Niko vs Heihachi | 25–36 | 40.98% |
| Niko vs Steve | 28–28 | 50.00% |
| Niko vs Miary Zo | 18–37 | 32.73% |
| Niko vs Yoshimitsu | 25–29 | 46.30% |
| Niko vs Lili | 23–30 | 43.40% |
| Niko vs Reina | 26–24 | 52.00% |
| Niko vs Fahkumram | 17–32 | 34.69% |
| Niko vs Dragunov | 21–26 | 44.68% |
| Niko vs Asuka | 23–21 | 52.27% |
| Niko vs Eddy | 25–14 | 64.10% |
| Niko vs Devil Jin | 20–18 | 52.63% |
| Niko vs Paul | 13–21 | 38.24% |
| Niko vs Jun | 19–13 | 59.38% |
| Niko vs Victor | 12–18 | 40.00% |
| Niko vs Nina | 14–14 | 50.00% |
| Niko vs Lee | 15–12 | 55.56% |
| Niko vs Azucena | 13–13 | 50.00% |
| Niko vs Claudio | 11–13 | 45.83% |
| Niko vs Lidia | 14–10 | 58.33% |
| Niko vs Clive | 12–11 | 52.17% |
| Niko vs Feng | 10–11 | 47.62% |
| Niko vs Xiaoyu | 11–9 | 55.00% |
| Niko vs Alisa | 8–10 | 44.44% |
| Niko vs Anna | 8–9 | 47.06% |
| Niko vs Leroy | 6–9 | 40.00% |
| Niko vs Leo | 6–7 | 46.15% |
| Niko vs Raven | 5–8 | 38.46% |
| Niko vs Lars | 8–3 | 72.73% |
| Niko vs Panda | 2–9 | 18.18% |
| Niko vs Kuma | 4–5 | 44.44% |
| Niko vs Zafina | 4–4 | 50.00% |
| Niko vs Jack-8 | 3–2 | 60.00% |
| Niko vs Shaheen | 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.