| niemiaszek vs Kazuya | 25–44 | 36.23% |
| niemiaszek vs Jin | 23–33 | 41.07% |
| niemiaszek vs Reina | 26–24 | 52.00% |
| niemiaszek vs Law | 12–22 | 35.29% |
| niemiaszek vs King | 14–20 | 41.18% |
| niemiaszek vs Steve | 15–19 | 44.12% |
| niemiaszek vs Dragunov | 12–17 | 41.38% |
| niemiaszek vs Lidia | 12–17 | 41.38% |
| niemiaszek vs Bryan | 9–16 | 36.00% |
| niemiaszek vs Hwoarang | 6–17 | 26.09% |
| niemiaszek vs Devil Jin | 12–9 | 57.14% |
| niemiaszek vs Lee | 7–11 | 38.89% |
| niemiaszek vs Jun | 14–4 | 77.78% |
| niemiaszek vs Xiaoyu | 11–5 | 68.75% |
| niemiaszek vs Asuka | 6–10 | 37.50% |
| niemiaszek vs Alisa | 4–12 | 25.00% |
| niemiaszek vs Yoshimitsu | 7–8 | 46.67% |
| niemiaszek vs Leroy | 7–7 | 50.00% |
| niemiaszek vs Victor | 2–12 | 14.29% |
| niemiaszek vs Lili | 11–2 | 84.62% |
| niemiaszek vs Eddy | 2–11 | 15.38% |
| niemiaszek vs Feng | 7–4 | 63.64% |
| niemiaszek vs Paul | 5–5 | 50.00% |
| niemiaszek vs Nina | 4–6 | 40.00% |
| niemiaszek vs Azucena | 4–6 | 40.00% |
| niemiaszek vs Claudio | 5–4 | 55.56% |
| niemiaszek vs Leo | 2–5 | 28.57% |
| niemiaszek vs Lars | 3–4 | 42.86% |
| niemiaszek vs Raven | 2–3 | 40.00% |
| niemiaszek vs Jack-8 | 3–0 | 100.00% |
| niemiaszek vs Kuma | 0–3 | 0.00% |
| niemiaszek vs Heihachi | 2–1 | 66.67% |
| niemiaszek vs Shaheen | 1–0 | 100.00% |
| niemiaszek vs Panda | 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.