| JSS| Serial-Kat vs Jin | 9–61 | 12.86% |
| JSS| Serial-Kat vs Steve | 11–31 | 26.19% |
| JSS| Serial-Kat vs Clive | 11–31 | 26.19% |
| JSS| Serial-Kat vs King | 10–31 | 24.39% |
| JSS| Serial-Kat vs Reina | 11–20 | 35.48% |
| JSS| Serial-Kat vs Hwoarang | 3–22 | 12.00% |
| JSS| Serial-Kat vs Law | 6–18 | 25.00% |
| JSS| Serial-Kat vs Dragunov | 8–15 | 34.78% |
| JSS| Serial-Kat vs Kazuya | 5–13 | 27.78% |
| JSS| Serial-Kat vs Lili | 5–13 | 27.78% |
| JSS| Serial-Kat vs Azucena | 6–12 | 33.33% |
| JSS| Serial-Kat vs Jun | 7–9 | 43.75% |
| JSS| Serial-Kat vs Lidia | 3–13 | 18.75% |
| JSS| Serial-Kat vs Lars | 3–12 | 20.00% |
| JSS| Serial-Kat vs Lee | 3–12 | 20.00% |
| JSS| Serial-Kat vs Leroy | 3–12 | 20.00% |
| JSS| Serial-Kat vs Miary Zo | 1–14 | 6.67% |
| JSS| Serial-Kat vs Asuka | 6–8 | 42.86% |
| JSS| Serial-Kat vs Heihachi | 3–10 | 23.08% |
| JSS| Serial-Kat vs Bryan | 2–9 | 18.18% |
| JSS| Serial-Kat vs Victor | 5–6 | 45.45% |
| JSS| Serial-Kat vs Yoshimitsu | 5–5 | 50.00% |
| JSS| Serial-Kat vs Jack-8 | 3–7 | 30.00% |
| JSS| Serial-Kat vs Leo | 3–7 | 30.00% |
| JSS| Serial-Kat vs Shaheen | 0–9 | 0.00% |
| JSS| Serial-Kat vs Kuma | 0–9 | 0.00% |
| JSS| Serial-Kat vs Devil Jin | 2–6 | 25.00% |
| JSS| Serial-Kat vs Feng | 4–4 | 50.00% |
| JSS| Serial-Kat vs Nina | 2–6 | 25.00% |
| JSS| Serial-Kat vs Eddy | 1–7 | 12.50% |
| JSS| Serial-Kat vs Paul | 0–7 | 0.00% |
| JSS| Serial-Kat vs Anna | 4–2 | 66.67% |
| JSS| Serial-Kat vs Alisa | 1–4 | 20.00% |
| JSS| Serial-Kat vs Panda | 1–4 | 20.00% |
| JSS| Serial-Kat vs Zafina | 2–3 | 40.00% |
| JSS| Serial-Kat vs Armor King | 1–4 | 20.00% |
| JSS| Serial-Kat vs Xiaoyu | 2–2 | 50.00% |
| JSS| Serial-Kat vs Claudio | 0–4 | 0.00% |
| JSS| Serial-Kat vs Raven | 0–4 | 0.00% |
| JSS| Serial-Kat vs Fahkumram | 0–3 | 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.