| Niko27 vs Heihachi | 15–14 | 51.72% |
| Niko27 vs Reina | 5–4 | 55.56% |
| Niko27 vs Hwoarang | 3–5 | 37.50% |
| Niko27 vs Kazuya | 1–5 | 16.67% |
| Niko27 vs King | 3–1 | 75.00% |
| Niko27 vs Nina | 3–1 | 75.00% |
| Niko27 vs Jun | 3–1 | 75.00% |
| Niko27 vs Lidia | 4–0 | 100.00% |
| Niko27 vs Law | 1–2 | 33.33% |
| Niko27 vs Steve | 2–1 | 66.67% |
| Niko27 vs Lars | 3–0 | 100.00% |
| Niko27 vs Lee | 2–1 | 66.67% |
| Niko27 vs Azucena | 2–1 | 66.67% |
| Niko27 vs Victor | 2–1 | 66.67% |
| Niko27 vs Yoshimitsu | 0–2 | 0.00% |
| Niko27 vs Jin | 2–0 | 100.00% |
| Niko27 vs Bryan | 2–0 | 100.00% |
| Niko27 vs Lili | 2–0 | 100.00% |
| Niko27 vs Xiaoyu | 1–0 | 100.00% |
| Niko27 vs Jack-8 | 0–1 | 0.00% |
| Niko27 vs Panda | 1–0 | 100.00% |
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.