| Prokopy vs King | 32–18 | 64.00% |
| Prokopy vs Reina | 29–11 | 72.50% |
| Prokopy vs Dragunov | 21–11 | 65.62% |
| Prokopy vs Kazuya | 21–7 | 75.00% |
| Prokopy vs Jin | 16–11 | 59.26% |
| Prokopy vs Lili | 15–10 | 60.00% |
| Prokopy vs Paul | 18–6 | 75.00% |
| Prokopy vs Asuka | 14–8 | 63.64% |
| Prokopy vs Hwoarang | 16–5 | 76.19% |
| Prokopy vs Yoshimitsu | 7–10 | 41.18% |
| Prokopy vs Devil Jin | 7–10 | 41.18% |
| Prokopy vs Bryan | 5–10 | 33.33% |
| Prokopy vs Steve | 12–3 | 80.00% |
| Prokopy vs Alisa | 7–8 | 46.67% |
| Prokopy vs Jun | 11–4 | 73.33% |
| Prokopy vs Kuma | 7–7 | 50.00% |
| Prokopy vs Victor | 10–4 | 71.43% |
| Prokopy vs Lars | 5–8 | 38.46% |
| Prokopy vs Law | 8–3 | 72.73% |
| Prokopy vs Claudio | 5–5 | 50.00% |
| Prokopy vs Eddy | 5–4 | 55.56% |
| Prokopy vs Jack-8 | 1–7 | 12.50% |
| Prokopy vs Nina | 3–5 | 37.50% |
| Prokopy vs Azucena | 6–2 | 75.00% |
| Prokopy vs Raven | 7–1 | 87.50% |
| Prokopy vs Feng | 3–3 | 50.00% |
| Prokopy vs Leo | 6–0 | 100.00% |
| Prokopy vs Xiaoyu | 4–1 | 80.00% |
| Prokopy vs Lee | 1–4 | 20.00% |
| Prokopy vs Shaheen | 0–4 | 0.00% |
| Prokopy vs Zafina | 4–0 | 100.00% |
| Prokopy vs Leroy | 0–2 | 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.