| Kupochimus vs Jin | 40–41 | 49.38% |
| Kupochimus vs King | 32–42 | 43.24% |
| Kupochimus vs Dragunov | 27–42 | 39.13% |
| Kupochimus vs Reina | 36–26 | 58.06% |
| Kupochimus vs Lidia | 29–31 | 48.33% |
| Kupochimus vs Kazuya | 28–25 | 52.83% |
| Kupochimus vs Law | 24–23 | 51.06% |
| Kupochimus vs Steve | 26–20 | 56.52% |
| Kupochimus vs Hwoarang | 19–20 | 48.72% |
| Kupochimus vs Bryan | 17–20 | 45.95% |
| Kupochimus vs Leroy | 14–21 | 40.00% |
| Kupochimus vs Victor | 16–16 | 50.00% |
| Kupochimus vs Lee | 17–14 | 54.84% |
| Kupochimus vs Lili | 12–18 | 40.00% |
| Kupochimus vs Asuka | 14–14 | 50.00% |
| Kupochimus vs Nina | 14–13 | 51.85% |
| Kupochimus vs Paul | 12–13 | 48.00% |
| Kupochimus vs Yoshimitsu | 17–7 | 70.83% |
| Kupochimus vs Leo | 11–13 | 45.83% |
| Kupochimus vs Eddy | 10–13 | 43.48% |
| Kupochimus vs Xiaoyu | 11–7 | 61.11% |
| Kupochimus vs Lars | 9–9 | 50.00% |
| Kupochimus vs Jun | 4–11 | 26.67% |
| Kupochimus vs Alisa | 10–4 | 71.43% |
| Kupochimus vs Azucena | 9–4 | 69.23% |
| Kupochimus vs Claudio | 6–6 | 50.00% |
| Kupochimus vs Heihachi | 7–5 | 58.33% |
| Kupochimus vs Armor King | 2–10 | 16.67% |
| Kupochimus vs Devil Jin | 7–4 | 63.64% |
| Kupochimus vs Kuma | 4–7 | 36.36% |
| Kupochimus vs Anna | 3–8 | 27.27% |
| Kupochimus vs Jack-8 | 2–6 | 25.00% |
| Kupochimus vs Shaheen | 4–4 | 50.00% |
| Kupochimus vs Raven | 3–5 | 37.50% |
| Kupochimus vs Fahkumram | 6–2 | 75.00% |
| Kupochimus vs Feng | 4–3 | 57.14% |
| Kupochimus vs Miary Zo | 2–5 | 28.57% |
| Kupochimus vs Clive | 3–2 | 60.00% |
| Kupochimus vs Panda | 0–3 | 0.00% |
| Kupochimus vs Zafina | 3–0 | 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.