| Kotopari vs Reina | 23–32 | 41.82% |
| Kotopari vs Jin | 19–29 | 39.58% |
| Kotopari vs Kazuya | 15–19 | 44.12% |
| Kotopari vs King | 13–19 | 40.62% |
| Kotopari vs Law | 10–19 | 34.48% |
| Kotopari vs Hwoarang | 12–14 | 46.15% |
| Kotopari vs Clive | 5–18 | 21.74% |
| Kotopari vs Paul | 5–16 | 23.81% |
| Kotopari vs Lili | 8–12 | 40.00% |
| Kotopari vs Eddy | 7–11 | 38.89% |
| Kotopari vs Heihachi | 4–13 | 23.53% |
| Kotopari vs Bryan | 4–12 | 25.00% |
| Kotopari vs Dragunov | 4–12 | 25.00% |
| Kotopari vs Devil Jin | 7–8 | 46.67% |
| Kotopari vs Steve | 7–6 | 53.85% |
| Kotopari vs Xiaoyu | 2–9 | 18.18% |
| Kotopari vs Victor | 9–1 | 90.00% |
| Kotopari vs Asuka | 3–6 | 33.33% |
| Kotopari vs Lee | 3–6 | 33.33% |
| Kotopari vs Lars | 4–4 | 50.00% |
| Kotopari vs Jun | 2–6 | 25.00% |
| Kotopari vs Lidia | 4–4 | 50.00% |
| Kotopari vs Nina | 5–2 | 71.43% |
| Kotopari vs Leroy | 1–6 | 14.29% |
| Kotopari vs Alisa | 3–3 | 50.00% |
| Kotopari vs Azucena | 3–3 | 50.00% |
| Kotopari vs Yoshimitsu | 1–4 | 20.00% |
| Kotopari vs Feng | 2–2 | 50.00% |
| Kotopari vs Shaheen | 0–4 | 0.00% |
| Kotopari vs Leo | 0–3 | 0.00% |
| Kotopari vs Anna | 2–1 | 66.67% |
| Kotopari vs Fahkumram | 2–1 | 66.67% |
| Kotopari vs Kuma | 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.